diff --git a/app/patternfront.html b/app/patternfront.html
index f7db28a..0691d22 100644
--- a/app/patternfront.html
+++ b/app/patternfront.html
@@ -442,6 +442,7 @@
         <div class="pvbox grow"><canvas id="pvC"></canvas></div>
         <div class="pvbar">
           <button class="b" id="pvTile" title="Repeat 3×3 to check the seams">Tile</button>
+          <button class="b" id="pvMap" title="Show it on a territory, at map scale · drag to move it">Map</button>
           <button class="b" id="pvFit" title="Fit to the panel">Fit</button>
           <span class="num" id="pvZ" style="min-width:3rem">fit</span>
           <div class="sp"></div>
@@ -704,6 +705,9 @@
 const Z=()=>zoom*uiScale;
 let symX=false,symY=false,wrapDraw=false,onion=0;
 let sel=null,clipboard=null,pvScale=0,pvTile=true;
+// Map view: is it on, and where the territory sits in world coordinates.
+// The offset is deliberately allowed to go negative — see floorMod.
+let pvMap=false,pvOX=0,pvOY=0;
 // `fg` is the active colour: what the pencil, shapes and fill use, and what
 // the picker edits. `bg` is the other one (right-click, and what Grab backfills
 // with). Clicking a chip makes it active. There is deliberately no separate
@@ -880,8 +884,47 @@
   const w=Math.max(1,box.clientWidth-pad), h=Math.max(1,box.clientHeight-pad);
   return Math.max(1,Math.floor(Math.min(w/(doc.w*n), h/(doc.h*n))));}
 function pvEff(){return pvScale>0?pvScale:pvFitScale();}
+/* A blobby pseudo-territory, so the pattern is judged inside a shape rather than
+   as a rectangle. Ported from tools/preview_prototype.py. */
+function territoryMask(w,h){
+  const cx=w/2,cy=h/2,mask=new Uint8Array(w*h);
+  for(let y=0;y<h;y++)for(let x=0;x<w;x++){
+    const dx=(x-cx)/(w*0.42),dy=(y-cy)/(h*0.42),ang=Math.atan2(dy,dx);
+    const wob=0.82+0.20*Math.sin(ang*3+0.7)+0.10*Math.sin(ang*7-1.2);
+    mask[y*w+x]=Math.hypot(dx,dy)<wob?1:0;}
+  return mask;}
+/* What a player sees. The pattern is laid out in ABSOLUTE world coordinates, so
+   the territory's position decides which part of the pattern lands on it — which
+   is exactly what the flat tile view cannot show, and why dragging this matters.
+   Sampling goes through ofPrimaryAt, held to tests/fixtures/sampler.json. */
+const MAP_TILES=120;
+function drawMapPreview(){
+  const box=pvC.parentElement;
+  const pad=2*parseFloat(getComputedStyle(box).paddingLeft||'0');
+  const bw=Math.max(1,box.clientWidth-pad),bh=Math.max(1,box.clientHeight-pad);
+  const px=Math.max(1,Math.floor(bw/MAP_TILES));
+  const cols=Math.floor(bw/px),rows=Math.max(1,Math.floor(bh/px));
+  pvC.width=cols*px;pvC.height=rows*px;
+
+  const scale=+($('ofScale')||{value:0}).value;
+  const pat={w:doc.w,h:doc.h,scale,bits:to1bit()};
+  const prim=doc.palette[1]||{r:255,g:255,b:255,a:255};
+  const sec=doc.palette[2]||{r:0,g:0,b:0,a:255};
+  const mask=territoryMask(cols,rows);
+  const im=new ImageData(cols,rows);
+  for(let y=0;y<rows;y++)for(let x=0;x<cols;x++){
+    const o=(y*cols+x)*4;
+    if(!mask[y*cols+x]){im.data[o]=38;im.data[o+1]=41;im.data[o+2]=48;im.data[o+3]=255;continue;}
+    const c=ofPrimaryAt(pat,pvOX+x,pvOY+y)?prim:sec;
+    im.data[o]=c.r;im.data[o+1]=c.g;im.data[o+2]=c.b;im.data[o+3]=255;}
+  const t=document.createElement('canvas');t.width=cols;t.height=rows;
+  t.getContext('2d').putImageData(im,0,0);
+  pvG.imageSmoothingEnabled=false;pvG.clearRect(0,0,pvC.width,pvC.height);
+  pvG.drawImage(t,0,0,pvC.width,pvC.height);
+  const z=$('pvZ'); if(z) z.textContent=(1<<scale)+'× · '+pvOX+','+pvOY;}
 function drawPreview(){
   if(!pvBuf) return;
+  if(pvMap) return drawMapPreview();
   const n=pvTile?3:1,s=pvEff();
   const zEl=$('pvZ'); if(zEl) zEl.textContent=pvScale>0?s+'×':'fit '+s+'×';
   pvC.width=doc.w*n*s;pvC.height=doc.h*n*s;
@@ -895,6 +938,26 @@
     pvG.drawImage(t,x*doc.w*s,y*doc.h*s,doc.w*s,doc.h*s);}
 $('pvTile').onclick=()=>{pvTile=!pvTile;
   $('pvTile').setAttribute('aria-pressed',String(pvTile));drawPreview();};
+$('pvMap').onclick=()=>{pvMap=!pvMap;
+  $('pvMap').setAttribute('aria-pressed',String(pvMap));
+  $('pvTile').disabled=pvMap;$('pvFit').disabled=pvMap;drawPreview();};
+// Drag the territory across the map. This is the control the flat view has no
+// equivalent of: pan left and the world coordinates go negative, which is where
+// a remainder-based sampler would read before the start of the pattern.
+pvC.addEventListener('pointerdown',e=>{
+  if(!pvMap) return;
+  pvC.setPointerCapture(e.pointerId);
+  const sx=e.clientX,sy=e.clientY,ox=pvOX,oy=pvOY;
+  const per=Math.max(1,pvC.clientWidth/MAP_TILES);
+  const move=ev=>{
+    pvOX=ox-Math.round((ev.clientX-sx)/per);
+    pvOY=oy-Math.round((ev.clientY-sy)/per);
+    drawMapPreview();};
+  const up=()=>{pvC.removeEventListener('pointermove',move);
+    pvC.removeEventListener('pointerup',up);pvC.removeEventListener('pointercancel',up);};
+  pvC.addEventListener('pointermove',move);
+  pvC.addEventListener('pointerup',up);
+  pvC.addEventListener('pointercancel',up);});
 $('pvFit').onclick=()=>{pvScale=0;drawPreview();};
 pvC.parentElement.addEventListener('wheel',e=>{
   e.preventDefault();
@@ -1741,6 +1804,21 @@
   for(let i=0;i<w*h;i++) bits[i]=(by[3+(i>>3)]>>(i&7))&1;
   return {w,h,scale,bits};
 }
+/* Modulo that is never negative. JS `%` is a REMAINDER whose sign follows the
+   dividend: -1 % 4 is -1, where a floor modulo gives 3. OpenFront never meets
+   this because its own tile coordinates start at 0, but the map preview lets the
+   territory be panned left, and a bare `%` there would index before the start of
+   the array and render garbage at the origin. Every sampler goes through this. */
+const floorMod=(a,n)=>((a%n)+n)%n;
+/* Is the world tile at (wx,wy) the primary colour? THE sampling rule — the one
+   place that decides what a player actually sees. `scale` magnifies by 2^scale,
+   so a block of 2^scale world tiles shares one pattern pixel, and the pattern is
+   laid out in ABSOLUTE world coordinates: move a territory across the map and
+   the pattern's phase moves with it. Held to tests/fixtures/sampler.json. */
+function ofPrimaryAt(d,wx,wy){
+  const px=floorMod(wx>>d.scale,d.w),py=floorMod(wy>>d.scale,d.h);
+  return d.bits[py*d.w+px]===0;
+}
 // Flatten the visible layers to palette indices (top layer wins).
 function flatIndex(fi){
   const out=new Uint8Array(npx());
@@ -1769,7 +1847,10 @@
   return bits;}
 function refreshOF(){
   const scale=+$('ofScale').value;
-  $('ofScaleO').textContent=scale+'×';
+  // The readout is the magnification, not the slider position. scale is an
+  // exponent — one pixel covers 2^scale tiles — so slider 3 is 8x, and showing
+  // "3x" contradicted the sentence directly beneath it.
+  $('ofScaleO').textContent=(1<<scale)+'×';
   $('ofCover').textContent='One pixel covers '+(1<<scale)+'×'+(1<<scale)+
     ' map tiles. Repeats every '+(doc.w<<scale)+'×'+(doc.h<<scale)+'.';
   if(doc.w>OF_MAXW||doc.h>OF_MAXH){
diff --git a/tests/fixtures/sampler.json b/tests/fixtures/sampler.json
new file mode 100644
index 0000000..3b65d45
--- /dev/null
+++ b/tests/fixtures/sampler.json
@@ -0,0 +1,5101 @@
+{
+ "note": "Map-scale sampling oracle. Probes straddle the origin because JavaScript's % is a remainder, not a floor modulo. Patterns are from the licence-clean corpus, not OpenFront's cosmetics.json.",
+ "probeCount": 1161,
+ "caseCount": 56,
+ "probes": [
+  [
+   -9,
+   -9
+  ],
+  [
+   -8,
+   -9
+  ],
+  [
+   -7,
+   -9
+  ],
+  [
+   -6,
+   -9
+  ],
+  [
+   -5,
+   -9
+  ],
+  [
+   -4,
+   -9
+  ],
+  [
+   -3,
+   -9
+  ],
+  [
+   -2,
+   -9
+  ],
+  [
+   -1,
+   -9
+  ],
+  [
+   0,
+   -9
+  ],
+  [
+   1,
+   -9
+  ],
+  [
+   2,
+   -9
+  ],
+  [
+   3,
+   -9
+  ],
+  [
+   4,
+   -9
+  ],
+  [
+   5,
+   -9
+  ],
+  [
+   6,
+   -9
+  ],
+  [
+   7,
+   -9
+  ],
+  [
+   8,
+   -9
+  ],
+  [
+   9,
+   -9
+  ],
+  [
+   -9,
+   -8
+  ],
+  [
+   -8,
+   -8
+  ],
+  [
+   -7,
+   -8
+  ],
+  [
+   -6,
+   -8
+  ],
+  [
+   -5,
+   -8
+  ],
+  [
+   -4,
+   -8
+  ],
+  [
+   -3,
+   -8
+  ],
+  [
+   -2,
+   -8
+  ],
+  [
+   -1,
+   -8
+  ],
+  [
+   0,
+   -8
+  ],
+  [
+   1,
+   -8
+  ],
+  [
+   2,
+   -8
+  ],
+  [
+   3,
+   -8
+  ],
+  [
+   4,
+   -8
+  ],
+  [
+   5,
+   -8
+  ],
+  [
+   6,
+   -8
+  ],
+  [
+   7,
+   -8
+  ],
+  [
+   8,
+   -8
+  ],
+  [
+   9,
+   -8
+  ],
+  [
+   -9,
+   -7
+  ],
+  [
+   -8,
+   -7
+  ],
+  [
+   -7,
+   -7
+  ],
+  [
+   -6,
+   -7
+  ],
+  [
+   -5,
+   -7
+  ],
+  [
+   -4,
+   -7
+  ],
+  [
+   -3,
+   -7
+  ],
+  [
+   -2,
+   -7
+  ],
+  [
+   -1,
+   -7
+  ],
+  [
+   0,
+   -7
+  ],
+  [
+   1,
+   -7
+  ],
+  [
+   2,
+   -7
+  ],
+  [
+   3,
+   -7
+  ],
+  [
+   4,
+   -7
+  ],
+  [
+   5,
+   -7
+  ],
+  [
+   6,
+   -7
+  ],
+  [
+   7,
+   -7
+  ],
+  [
+   8,
+   -7
+  ],
+  [
+   9,
+   -7
+  ],
+  [
+   -9,
+   -6
+  ],
+  [
+   -8,
+   -6
+  ],
+  [
+   -7,
+   -6
+  ],
+  [
+   -6,
+   -6
+  ],
+  [
+   -5,
+   -6
+  ],
+  [
+   -4,
+   -6
+  ],
+  [
+   -3,
+   -6
+  ],
+  [
+   -2,
+   -6
+  ],
+  [
+   -1,
+   -6
+  ],
+  [
+   0,
+   -6
+  ],
+  [
+   1,
+   -6
+  ],
+  [
+   2,
+   -6
+  ],
+  [
+   3,
+   -6
+  ],
+  [
+   4,
+   -6
+  ],
+  [
+   5,
+   -6
+  ],
+  [
+   6,
+   -6
+  ],
+  [
+   7,
+   -6
+  ],
+  [
+   8,
+   -6
+  ],
+  [
+   9,
+   -6
+  ],
+  [
+   -9,
+   -5
+  ],
+  [
+   -8,
+   -5
+  ],
+  [
+   -7,
+   -5
+  ],
+  [
+   -6,
+   -5
+  ],
+  [
+   -5,
+   -5
+  ],
+  [
+   -4,
+   -5
+  ],
+  [
+   -3,
+   -5
+  ],
+  [
+   -2,
+   -5
+  ],
+  [
+   -1,
+   -5
+  ],
+  [
+   0,
+   -5
+  ],
+  [
+   1,
+   -5
+  ],
+  [
+   2,
+   -5
+  ],
+  [
+   3,
+   -5
+  ],
+  [
+   4,
+   -5
+  ],
+  [
+   5,
+   -5
+  ],
+  [
+   6,
+   -5
+  ],
+  [
+   7,
+   -5
+  ],
+  [
+   8,
+   -5
+  ],
+  [
+   9,
+   -5
+  ],
+  [
+   -9,
+   -4
+  ],
+  [
+   -8,
+   -4
+  ],
+  [
+   -7,
+   -4
+  ],
+  [
+   -6,
+   -4
+  ],
+  [
+   -5,
+   -4
+  ],
+  [
+   -4,
+   -4
+  ],
+  [
+   -3,
+   -4
+  ],
+  [
+   -2,
+   -4
+  ],
+  [
+   -1,
+   -4
+  ],
+  [
+   0,
+   -4
+  ],
+  [
+   1,
+   -4
+  ],
+  [
+   2,
+   -4
+  ],
+  [
+   3,
+   -4
+  ],
+  [
+   4,
+   -4
+  ],
+  [
+   5,
+   -4
+  ],
+  [
+   6,
+   -4
+  ],
+  [
+   7,
+   -4
+  ],
+  [
+   8,
+   -4
+  ],
+  [
+   9,
+   -4
+  ],
+  [
+   -9,
+   -3
+  ],
+  [
+   -8,
+   -3
+  ],
+  [
+   -7,
+   -3
+  ],
+  [
+   -6,
+   -3
+  ],
+  [
+   -5,
+   -3
+  ],
+  [
+   -4,
+   -3
+  ],
+  [
+   -3,
+   -3
+  ],
+  [
+   -2,
+   -3
+  ],
+  [
+   -1,
+   -3
+  ],
+  [
+   0,
+   -3
+  ],
+  [
+   1,
+   -3
+  ],
+  [
+   2,
+   -3
+  ],
+  [
+   3,
+   -3
+  ],
+  [
+   4,
+   -3
+  ],
+  [
+   5,
+   -3
+  ],
+  [
+   6,
+   -3
+  ],
+  [
+   7,
+   -3
+  ],
+  [
+   8,
+   -3
+  ],
+  [
+   9,
+   -3
+  ],
+  [
+   -9,
+   -2
+  ],
+  [
+   -8,
+   -2
+  ],
+  [
+   -7,
+   -2
+  ],
+  [
+   -6,
+   -2
+  ],
+  [
+   -5,
+   -2
+  ],
+  [
+   -4,
+   -2
+  ],
+  [
+   -3,
+   -2
+  ],
+  [
+   -2,
+   -2
+  ],
+  [
+   -1,
+   -2
+  ],
+  [
+   0,
+   -2
+  ],
+  [
+   1,
+   -2
+  ],
+  [
+   2,
+   -2
+  ],
+  [
+   3,
+   -2
+  ],
+  [
+   4,
+   -2
+  ],
+  [
+   5,
+   -2
+  ],
+  [
+   6,
+   -2
+  ],
+  [
+   7,
+   -2
+  ],
+  [
+   8,
+   -2
+  ],
+  [
+   9,
+   -2
+  ],
+  [
+   -9,
+   -1
+  ],
+  [
+   -8,
+   -1
+  ],
+  [
+   -7,
+   -1
+  ],
+  [
+   -6,
+   -1
+  ],
+  [
+   -5,
+   -1
+  ],
+  [
+   -4,
+   -1
+  ],
+  [
+   -3,
+   -1
+  ],
+  [
+   -2,
+   -1
+  ],
+  [
+   -1,
+   -1
+  ],
+  [
+   0,
+   -1
+  ],
+  [
+   1,
+   -1
+  ],
+  [
+   2,
+   -1
+  ],
+  [
+   3,
+   -1
+  ],
+  [
+   4,
+   -1
+  ],
+  [
+   5,
+   -1
+  ],
+  [
+   6,
+   -1
+  ],
+  [
+   7,
+   -1
+  ],
+  [
+   8,
+   -1
+  ],
+  [
+   9,
+   -1
+  ],
+  [
+   -9,
+   0
+  ],
+  [
+   -8,
+   0
+  ],
+  [
+   -7,
+   0
+  ],
+  [
+   -6,
+   0
+  ],
+  [
+   -5,
+   0
+  ],
+  [
+   -4,
+   0
+  ],
+  [
+   -3,
+   0
+  ],
+  [
+   -2,
+   0
+  ],
+  [
+   -1,
+   0
+  ],
+  [
+   0,
+   0
+  ],
+  [
+   1,
+   0
+  ],
+  [
+   2,
+   0
+  ],
+  [
+   3,
+   0
+  ],
+  [
+   4,
+   0
+  ],
+  [
+   5,
+   0
+  ],
+  [
+   6,
+   0
+  ],
+  [
+   7,
+   0
+  ],
+  [
+   8,
+   0
+  ],
+  [
+   9,
+   0
+  ],
+  [
+   -9,
+   1
+  ],
+  [
+   -8,
+   1
+  ],
+  [
+   -7,
+   1
+  ],
+  [
+   -6,
+   1
+  ],
+  [
+   -5,
+   1
+  ],
+  [
+   -4,
+   1
+  ],
+  [
+   -3,
+   1
+  ],
+  [
+   -2,
+   1
+  ],
+  [
+   -1,
+   1
+  ],
+  [
+   0,
+   1
+  ],
+  [
+   1,
+   1
+  ],
+  [
+   2,
+   1
+  ],
+  [
+   3,
+   1
+  ],
+  [
+   4,
+   1
+  ],
+  [
+   5,
+   1
+  ],
+  [
+   6,
+   1
+  ],
+  [
+   7,
+   1
+  ],
+  [
+   8,
+   1
+  ],
+  [
+   9,
+   1
+  ],
+  [
+   -9,
+   2
+  ],
+  [
+   -8,
+   2
+  ],
+  [
+   -7,
+   2
+  ],
+  [
+   -6,
+   2
+  ],
+  [
+   -5,
+   2
+  ],
+  [
+   -4,
+   2
+  ],
+  [
+   -3,
+   2
+  ],
+  [
+   -2,
+   2
+  ],
+  [
+   -1,
+   2
+  ],
+  [
+   0,
+   2
+  ],
+  [
+   1,
+   2
+  ],
+  [
+   2,
+   2
+  ],
+  [
+   3,
+   2
+  ],
+  [
+   4,
+   2
+  ],
+  [
+   5,
+   2
+  ],
+  [
+   6,
+   2
+  ],
+  [
+   7,
+   2
+  ],
+  [
+   8,
+   2
+  ],
+  [
+   9,
+   2
+  ],
+  [
+   -9,
+   3
+  ],
+  [
+   -8,
+   3
+  ],
+  [
+   -7,
+   3
+  ],
+  [
+   -6,
+   3
+  ],
+  [
+   -5,
+   3
+  ],
+  [
+   -4,
+   3
+  ],
+  [
+   -3,
+   3
+  ],
+  [
+   -2,
+   3
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+   1679,
+   417
+  ],
+  [
+   1714,
+   494
+  ],
+  [
+   1749,
+   571
+  ],
+  [
+   1784,
+   648
+  ],
+  [
+   1819,
+   725
+  ],
+  [
+   1854,
+   802
+  ],
+  [
+   1889,
+   879
+  ],
+  [
+   1924,
+   956
+  ],
+  [
+   1959,
+   1033
+  ],
+  [
+   1994,
+   1110
+  ],
+  [
+   2029,
+   1187
+  ],
+  [
+   2064,
+   1264
+  ],
+  [
+   2099,
+   1341
+  ],
+  [
+   2134,
+   1418
+  ],
+  [
+   2169,
+   1495
+  ],
+  [
+   2204,
+   1572
+  ],
+  [
+   2239,
+   1649
+  ],
+  [
+   2274,
+   1726
+  ],
+  [
+   2309,
+   1803
+  ],
+  [
+   2344,
+   1880
+  ],
+  [
+   2379,
+   1957
+  ],
+  [
+   2414,
+   2034
+  ],
+  [
+   2449,
+   2111
+  ],
+  [
+   2484,
+   2188
+  ],
+  [
+   2519,
+   2265
+  ],
+  [
+   2554,
+   2342
+  ],
+  [
+   2589,
+   2419
+  ],
+  [
+   2624,
+   2496
+  ],
+  [
+   2659,
+   2573
+  ],
+  [
+   2694,
+   2650
+  ],
+  [
+   2729,
+   2727
+  ],
+  [
+   2764,
+   2804
+  ],
+  [
+   2799,
+   2881
+  ],
+  [
+   2834,
+   2958
+  ],
+  [
+   2869,
+   3035
+  ],
+  [
+   2904,
+   3112
+  ],
+  [
+   2939,
+   3189
+  ],
+  [
+   2974,
+   3266
+  ],
+  [
+   3009,
+   3343
+  ],
+  [
+   3044,
+   3420
+  ],
+  [
+   3079,
+   3497
+  ],
+  [
+   3114,
+   3574
+  ],
+  [
+   3149,
+   3651
+  ],
+  [
+   3184,
+   3728
+  ],
+  [
+   3219,
+   3805
+  ],
+  [
+   3254,
+   3882
+  ],
+  [
+   3289,
+   3959
+  ],
+  [
+   3324,
+   4036
+  ],
+  [
+   3359,
+   17
+  ],
+  [
+   3394,
+   94
+  ],
+  [
+   3429,
+   171
+  ],
+  [
+   3464,
+   248
+  ],
+  [
+   3499,
+   325
+  ],
+  [
+   3534,
+   402
+  ],
+  [
+   3569,
+   479
+  ],
+  [
+   3604,
+   556
+  ],
+  [
+   3639,
+   633
+  ],
+  [
+   3674,
+   710
+  ],
+  [
+   3709,
+   787
+  ],
+  [
+   3744,
+   864
+  ],
+  [
+   3779,
+   941
+  ],
+  [
+   3814,
+   1018
+  ],
+  [
+   3849,
+   1095
+  ],
+  [
+   3884,
+   1172
+  ],
+  [
+   3919,
+   1249
+  ],
+  [
+   3954,
+   1326
+  ],
+  [
+   3989,
+   1403
+  ],
+  [
+   4024,
+   1480
+  ],
+  [
+   4059,
+   1557
+  ],
+  [
+   4094,
+   1634
+  ],
+  [
+   33,
+   1711
+  ],
+  [
+   68,
+   1788
+  ],
+  [
+   103,
+   1865
+  ],
+  [
+   138,
+   1942
+  ],
+  [
+   173,
+   2019
+  ],
+  [
+   208,
+   2096
+  ],
+  [
+   243,
+   2173
+  ],
+  [
+   278,
+   2250
+  ],
+  [
+   313,
+   2327
+  ],
+  [
+   348,
+   2404
+  ],
+  [
+   383,
+   2481
+  ],
+  [
+   418,
+   2558
+  ],
+  [
+   453,
+   2635
+  ],
+  [
+   488,
+   2712
+  ],
+  [
+   523,
+   2789
+  ],
+  [
+   558,
+   2866
+  ],
+  [
+   593,
+   2943
+  ],
+  [
+   628,
+   3020
+  ],
+  [
+   663,
+   3097
+  ],
+  [
+   698,
+   3174
+  ],
+  [
+   733,
+   3251
+  ],
+  [
+   768,
+   3328
+  ],
+  [
+   803,
+   3405
+  ],
+  [
+   838,
+   3482
+  ],
+  [
+   873,
+   3559
+  ],
+  [
+   908,
+   3636
+  ],
+  [
+   943,
+   3713
+  ],
+  [
+   978,
+   3790
+  ],
+  [
+   1013,
+   3867
+  ],
+  [
+   1048,
+   3944
+  ],
+  [
+   1083,
+   4021
+  ],
+  [
+   1118,
+   2
+  ],
+  [
+   1153,
+   79
+  ],
+  [
+   1188,
+   156
+  ],
+  [
+   1223,
+   233
+  ],
+  [
+   1258,
+   310
+  ],
+  [
+   1293,
+   387
+  ],
+  [
+   1328,
+   464
+  ],
+  [
+   1363,
+   541
+  ],
+  [
+   1398,
+   618
+  ],
+  [
+   1433,
+   695
+  ],
+  [
+   1468,
+   772
+  ],
+  [
+   1503,
+   849
+  ],
+  [
+   1538,
+   926
+  ],
+  [
+   1573,
+   1003
+  ],
+  [
+   1608,
+   1080
+  ],
+  [
+   1643,
+   1157
+  ],
+  [
+   1678,
+   1234
+  ],
+  [
+   1713,
+   1311
+  ],
+  [
+   1748,
+   1388
+  ],
+  [
+   1783,
+   1465
+  ],
+  [
+   1818,
+   1542
+  ],
+  [
+   1853,
+   1619
+  ],
+  [
+   1888,
+   1696
+  ],
+  [
+   1923,
+   1773
+  ],
+  [
+   1958,
+   1850
+  ],
+  [
+   1993,
+   1927
+  ],
+  [
+   2028,
+   2004
+  ],
+  [
+   2063,
+   2081
+  ],
+  [
+   2098,
+   2158
+  ],
+  [
+   2133,
+   2235
+  ],
+  [
+   2168,
+   2312
+  ],
+  [
+   2203,
+   2389
+  ],
+  [
+   2238,
+   2466
+  ],
+  [
+   2273,
+   2543
+  ],
+  [
+   2308,
+   2620
+  ],
+  [
+   2343,
+   2697
+  ],
+  [
+   2378,
+   2774
+  ],
+  [
+   2413,
+   2851
+  ],
+  [
+   2448,
+   2928
+  ],
+  [
+   2483,
+   3005
+  ],
+  [
+   2518,
+   3082
+  ],
+  [
+   2553,
+   3159
+  ],
+  [
+   2588,
+   3236
+  ],
+  [
+   2623,
+   3313
+  ],
+  [
+   2658,
+   3390
+  ],
+  [
+   2693,
+   3467
+  ],
+  [
+   2728,
+   3544
+  ],
+  [
+   2763,
+   3621
+  ],
+  [
+   2798,
+   3698
+  ],
+  [
+   2833,
+   3775
+  ],
+  [
+   2868,
+   3852
+  ],
+  [
+   2903,
+   3929
+  ],
+  [
+   2938,
+   4006
+  ],
+  [
+   2973,
+   4083
+  ],
+  [
+   3008,
+   64
+  ],
+  [
+   3043,
+   141
+  ],
+  [
+   3078,
+   218
+  ],
+  [
+   3113,
+   295
+  ],
+  [
+   3148,
+   372
+  ],
+  [
+   3183,
+   449
+  ],
+  [
+   3218,
+   526
+  ],
+  [
+   3253,
+   603
+  ],
+  [
+   3288,
+   680
+  ],
+  [
+   3323,
+   757
+  ],
+  [
+   3358,
+   834
+  ],
+  [
+   3393,
+   911
+  ],
+  [
+   3428,
+   988
+  ],
+  [
+   3463,
+   1065
+  ],
+  [
+   3498,
+   1142
+  ],
+  [
+   3533,
+   1219
+  ],
+  [
+   3568,
+   1296
+  ],
+  [
+   3603,
+   1373
+  ],
+  [
+   3638,
+   1450
+  ],
+  [
+   3673,
+   1527
+  ],
+  [
+   3708,
+   1604
+  ],
+  [
+   3743,
+   1681
+  ],
+  [
+   3778,
+   1758
+  ],
+  [
+   3813,
+   1835
+  ],
+  [
+   3848,
+   1912
+  ],
+  [
+   3883,
+   1989
+  ],
+  [
+   3918,
+   2066
+  ],
+  [
+   3953,
+   2143
+  ],
+  [
+   3988,
+   2220
+  ],
+  [
+   4023,
+   2297
+  ],
+  [
+   4058,
+   2374
+  ],
+  [
+   4093,
+   2451
+  ],
+  [
+   32,
+   2528
+  ],
+  [
+   67,
+   2605
+  ],
+  [
+   102,
+   2682
+  ],
+  [
+   137,
+   2759
+  ],
+  [
+   172,
+   2836
+  ],
+  [
+   207,
+   2913
+  ],
+  [
+   242,
+   2990
+  ],
+  [
+   277,
+   3067
+  ],
+  [
+   312,
+   3144
+  ],
+  [
+   347,
+   3221
+  ],
+  [
+   382,
+   3298
+  ],
+  [
+   417,
+   3375
+  ],
+  [
+   452,
+   3452
+  ],
+  [
+   487,
+   3529
+  ],
+  [
+   522,
+   3606
+  ],
+  [
+   557,
+   3683
+  ],
+  [
+   592,
+   3760
+  ],
+  [
+   627,
+   3837
+  ],
+  [
+   662,
+   3914
+  ],
+  [
+   697,
+   3991
+  ],
+  [
+   732,
+   4068
+  ],
+  [
+   767,
+   49
+  ],
+  [
+   802,
+   126
+  ],
+  [
+   837,
+   203
+  ],
+  [
+   872,
+   280
+  ],
+  [
+   907,
+   357
+  ],
+  [
+   942,
+   434
+  ],
+  [
+   977,
+   511
+  ],
+  [
+   1012,
+   588
+  ],
+  [
+   1047,
+   665
+  ],
+  [
+   1082,
+   742
+  ],
+  [
+   1117,
+   819
+  ],
+  [
+   1152,
+   896
+  ],
+  [
+   1187,
+   973
+  ],
+  [
+   1222,
+   1050
+  ],
+  [
+   1257,
+   1127
+  ],
+  [
+   1292,
+   1204
+  ],
+  [
+   1327,
+   1281
+  ],
+  [
+   1362,
+   1358
+  ],
+  [
+   1397,
+   1435
+  ],
+  [
+   1432,
+   1512
+  ],
+  [
+   1467,
+   1589
+  ],
+  [
+   1502,
+   1666
+  ],
+  [
+   1537,
+   1743
+  ],
+  [
+   1572,
+   1820
+  ],
+  [
+   1607,
+   1897
+  ],
+  [
+   1642,
+   1974
+  ],
+  [
+   1677,
+   2051
+  ]
+ ],
+ "cases": [
+  {
+   "name": "checker-2x2-s0",
+   "patternData": "AAAABg",
+   "width": 2,
+   "height": 2,
+   "scale": 0,
+   "expect": "101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010111111111111111111111111111111111111111111111111100000000000000000000000000000000000000000000000111111111111111111111111111111111111111111111110000000000000000000000000000000000000000000000011111111111111111111111111111111111111111111111000000000000000000000000000000000000000000000000111111111111111111111111111111111111111111111110000000000000000000000000000000000000000000000011111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111"
+  },
+  {
+   "name": "stripes_v-3x5-s0",
+   "patternData": "AAgMkiQ",
+   "width": 3,
+   "height": 5,
+   "scale": 0,
+   "expect": "101101101101101101110110110110110110111011011011011011011101101101101101101110110110110110110111011011011011011011101101101101101101110110110110110110111011011011011011011101101101101101101110110110110110110111011011011011011011101101101101101101110110110110110110111011011011011011011101101101101101101110110110110110110111011011011011011011101101101101101101111011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011101101101101101101101101101101101101101101101101101101101101101101101101101101101101101101101101101101101101101101101011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011011110110110110110110110110110110110110110110110110110110110110110110110110110110110110110110110110110110110110110110110101101101101101101101101101101101101101101101101"
+  },
+  {
+   "name": "stripes_h-8x8-s0",
+   "patternData": "ADAYAP8A_wD_AP8",
+   "width": 8,
+   "height": 8,
+   "scale": 0,
+   "expect": "000000000000000000011111111111111111110000000000000000000111111111111111111100000000000000000001111111111111111111000000000000000000011111111111111111110000000000000000000111111111111111111100000000000000000001111111111111111111000000000000000000011111111111111111110000000000000000000111111111111111111100000000000000000001111111111111111111000000000000000000010101010101010101010101010101010101010101010101001010101010101010101010101010101010101010101010010101010101010101010101010101010101010101010100101010101010101010101010101010101010101010101001010101010101010101010101010101010101010101010010101010101010101010101010101010101010101010101101010101010101010101010101010101010101010101011010101010101010101010101010101010101010101010110101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010"
+  },
+  {
+   "name": "diagonal-17x9-s0",
+   "patternData": "AHgcMzPNzDAzy8w8M9PMDDOzzMwzMwE",
+   "width": 17,
+   "height": 9,
+   "scale": 0,
+   "expect": "001100110001100110010011001110011001101100110011100110011011001100011001100100110011000110011001001100111001100110110011001110011001101100110001100110010011001100011001100001100110001100110010011001110011001101100110011100110011011001100011001100100110011000110011001001100111001100110110011001110011001101100110001100110010011001100011001100001100110001100110001101001000000000000000000010110111111111111111111111111111111101101001000000000000000000010010000000010010110111111111111111111101001000000000100000000000000000001011011111111111111111110111111111110110100100000000000000000001001011111001001011011111111111111111110100100000000000000000000000000000101101111111111111111111011010011111011010010000000000000000000100101111111111101101111111111111111110000111100011110000011110001111000001111000011100000011000111100011111100011110000111110000111000011101000011000111100001110000111000010111000011110001111110001100001110100001110000111100000111100011110000011110001100001011100001111000111100011110000111110000111000011000001111000111100000111100001110000001110000111000011110001111000011111000011100001100000111100011110000111000011100001011100001111"
+  },
+  {
+   "name": "one-bit-33x16-s0",
+   "patternData": "APg4AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACA",
+   "width": 33,
+   "height": 16,
+   "scale": 0,
+   "expect": "111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111101111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111101111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111101111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111"
+  },
+  {
+   "name": "all-but-one-129x65-s0",
+   "patternData": "APj__v___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________wE",
+   "width": 129,
+   "height": 65,
+   "scale": 0,
+   "expect": "000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"
+  },
+  {
+   "name": "stripes_v-2x2-s1",
+   "patternData": "AAEACg",
+   "width": 2,
+   "height": 2,
+   "scale": 1,
+   "expect": "011001100110011001101100110011001100110110011001100110011011001100110011001101100110011001100110110011001100110011011001100110011001101100110011001100110110011001100110011011001100110011001101100110011001100110110011001100110011011001100110011001101100110011001100110110011001100110011011001100110011001101100110011001100110110011001100110011011001100110011001110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001"
+  },
+  {
+   "name": "stripes_h-3x5-s1",
+   "patternData": "AAkMOA4",
+   "width": 3,
+   "height": 5,
+   "scale": 1,
+   "expect": "111111111111111111100000000000000000000000000000000000000111111111111111111111111111111111111110000000000000000000000000000000000000011111111111111111111111111111111111111111111111111111111111111111111111111110000000000000000000000000000000000000011111111111111111111111111111111111111000000000000000000000000000000000000001111111111111111111111111111111111111111001111001100111100110011110011001111001100111110011001111001100111100110011110011001111001100011110011001111001100111100110011110011001111000110011110011001111001100111100110011110011001111100110011110011001111001100111100110011110011100111100110011110011001111001100111100110011110001100111100110011110011001111001100111100110011111001100111100110011110011001111001100111100111001111001100111100111011110100101111010010111101001011110100101111010010110100101111010010111101001011110100101111010010111101001111010010111101001011110100101111010010111101001011010010111101001011110100101111010010111101001011110100111101001011110100101111010010111101001011110100101101001011110100101111010010111101001011110100101111010011110100101111010010111101001011110100101111010010111100101111010010111101001011"
+  },
+  {
+   "name": "diagonal-8x8-s1",
+   "patternData": "ADEYM2bMmTNmzJk",
+   "width": 8,
+   "height": 8,
+   "scale": 1,
+   "expect": "000111100001111000010000111100001111001000011110000111100111000011110000111111100001111000011110111100001111000011011110000111100001100011110000111100000001111000011110000100001111000011110010000111100001111001110000111100001111111000011110000111101111000011110000110111100001111000011000111100001111000000011110000111100001000011110000111100100001111000011110000110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001110011001100110011001100110011001100110011001100011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100011001100110011001100110011001100110011001100111001100110011001100110011001100110011001100110011001100110011001100110110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110"
+  },
+  {
+   "name": "one-bit-17x9-s1",
+   "patternData": "AHkcAAAAAAAAAAAAAAAAAAAAAAAAAAE",
+   "width": 17,
+   "height": 9,
+   "scale": 1,
+   "expect": "111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111110011111111111111111001111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111101111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111110111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111011111111111111111111111111111111111111111111111111111111111111111111111111111111111101111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111101111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111"
+  },
+  {
+   "name": "all-but-one-33x16-s1",
+   "patternData": "APk4_v______________________________________________________________________________________",
+   "width": 33,
+   "height": 16,
+   "scale": 1,
+   "expect": "000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000110000000000000000011000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"
+  },
+  {
+   "name": "checker-129x65-s1",
+   "patternData": "APn_qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqgA",
+   "width": 129,
+   "height": 65,
+   "scale": 1,
+   "expect": "100110011110011001101100110000110011000110011000011001100100110011110011001110011001111001100110110011000011001100011001100001100110010011001111001100111001100111100110011100110011110011001110011001111001100110110011000011001100011001100001100110010011001111001100111001100111100110011011001100001100110001100110000110011001001100111100110011100110011110011001110100101011010100101011010100101001101010010101100011111100000011111101111110000001111110000001101101010011010010101001010110101001010110101001001111110000000111111000000111111000011000000010110101011010100101011010101010100101010010101111100000011111100111100000011111110000001111110101101001101010010101101010110101001010110100111110000001111110000000111111000001000000111111010110101001010100101011001100000111000001100000110000011100000110000011100000011011001100100111010001100100111010011101000110010001111100011111001101100110110001111100110110001011000010011001001100000111001001100000110001011100100110001001110000011001001100100111010001101100111010011101010011111001111100011111001111100111110001111100111110000101110010011001101100010111001001100000110000011100000011001001110100011001001"
+  },
+  {
+   "name": "stripes_h-2x2-s2",
+   "patternData": "AAIADA",
+   "width": 2,
+   "height": 2,
+   "scale": 2,
+   "expect": "000000000000000000011111111111111111111111111111111111111111111111111111111111111111111111111110000000000000000000000000000000000000000000000000000000000000000000000000000111111111111111111111111111111111111111111111111111111111111111111111111111100000000000000000000000000000000000000000000000000000000000000000000000000001111111111111111111111111111111111111110100101101001011010010110100101101001011010010110110100101101001011010010110100101101001011010010010110100101101001011010010110100101101001011011010010110100101101001011010010110100101101001001011010010110100101101001011010010110100101101101001011010010110100101101001011010010110100100101101001011010010110100101101001011010010110110100101101001011010010110100101101001011010010010110100101101001011010010110100101101001011010010110100101101001011010010110100101101001011010010110100101101001011010010110100101101001011010010110100101101001011010010110100101101001011010010110100101101001011010010110100101101001011010010110100101101001011010010110100101101001011010010110100101101001011010010110100101101001011010010110100101101001011010010110100101101001011010010110100101101001011010010110100101"
+  },
+  {
+   "name": "diagonal-3x5-s2",
+   "patternData": "AAoMMzM",
+   "width": 3,
+   "height": 5,
+   "scale": 2,
+   "expect": "111110000111111110001111111100001111110111111110000111111011111111000011111101111111100001111110000011110000000011000001111000000001100000111100000000110000011110000000011000001111000000001100000111100000000110000011110000000011000001111000000001110000000011110000001000000001111000000100000000111100000010000000011110000001111100001111111100111110000111111110001001110111010100001000101010101010010101010101110101010101010100001010101011111111010100000000010100010001101110101010010001010101010100001011010100001000101011101110010100010001100110001001110110001010001001110111010100001000101010101000101010101010010101010101010100001010101011111010101011101110010100010001101110101010010001011010011001110111010100001000101011101110010100001010010101010101110110110000000111111110000011011111000000001101111000100000000111111110000011011111000000001101111000100000111111111110000100000001111111100000110111110000000011011111001100000001111111100000110111110000000011011110001100000001111111100000000000011111111000001101111100000010000011110011000000011111111000001101111100000000100011110011000000011111111000001000000111111110000011001101111000100000111100110"
+  },
+  {
+   "name": "one-bit-8x8-s2",
+   "patternData": "ADIYAAAAAAAAAIA",
+   "width": 8,
+   "height": 8,
+   "scale": 2,
+   "expect": "111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111100001111111111111110000111111111111111000011111111111111100001111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111101111111111111111111111111111111011111111111111111111111111111110111111111111111111111111111111101111111101111111111111111111111011111111011111111111111111111111111111110111111111111111111111111111111101111111111111111111111111111111011111111011111111111111111111110111111110111111111111111111111111111111101111111111111111111111111111111011111111111111111111111111111110111111110111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111"
+  },
+  {
+   "name": "all-but-one-17x9-s2",
+   "patternData": "AHoc_v_______________________wE",
+   "width": 17,
+   "height": 9,
+   "scale": 2,
+   "expect": "000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000111100000000000000011110000000000000001111000000000000000111100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"
+  },
+  {
+   "name": "checker-33x16-s2",
+   "patternData": "APo4qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq",
+   "width": 33,
+   "height": 16,
+   "scale": 2,
+   "expect": "011110000000011110010000111111110000111000011111111000011100001111111100001110000111111110000110111100000000111100011110000000011110001111000000001111000111100000000111100100001111111100001110000111111110000111000011111111000011100001111111100001101111000000001111000111100000000111100011110000000011110001111000000001111001000011111111000011100001111111100001110100010001000100010110111011101110111000010001000110011000011001100110011000011001100110011001011101110111011101101000100010001000101101110111010101010010101010101010101001010101010101010100111011101110111010010001000100010001111011101110011001111001100110011001101001100110011001100000100010001000100001110111011101110110100010001010101011010101010101010101101010101010101010110001000100010001001011000011110000111100101101001011010110100101101001011000011110000111110000111100001101001011010010110101101001011010011001111000011110000011110000111100101101001011010010100101101001011000011110000111110000111100001111001011010010110101010110100101101001111000011110000011110000111100001101001011010010100101101001011010011110000111100000111100001111001100101101001011010110100101101001011000011110000"
+  },
+  {
+   "name": "stripes_v-129x65-s2",
+   "patternData": "APr_qqqqqqqqqqqqqqqqqqqqqlRVVVVVVVVVVVVVVVVVVVWpqqqqqqqqqqqqqqqqqqqqUlVVVVVVVVVVVVVVVVVVVaWqqqqqqqqqqqqqqqqqqqpKVVVVVVVVVVVVVVVVVVVVlaqqqqqqqqqqqqqqqqqqqipVVVVVVVVVVVVVVVVVVVVVqqqqqqqqqqqqqqqqqqqqqlRVVVVVVVVVVVVVVVVVVVWpqqqqqqqqqqqqqqqqqqqqUlVVVVVVVVVVVVVVVVVVVaWqqqqqqqqqqqqqqqqqqqpKVVVVVVVVVVVVVVVVVVVVlaqqqqqqqqqqqqqqqqqqqipVVVVVVVVVVVVVVVVVVVVVqqqqqqqqqqqqqqqqqqqqqlRVVVVVVVVVVVVVVVVVVVWpqqqqqqqqqqqqqqqqqqqqUlVVVVVVVVVVVVVVVVVVVaWqqqqqqqqqqqqqqqqqqqpKVVVVVVVVVVVVVVVVVVVVlaqqqqqqqqqqqqqqqqqqqipVVVVVVVVVVVVVVVVVVVVVqqqqqqqqqqqqqqqqqqqqqlRVVVVVVVVVVVVVVVVVVVWpqqqqqqqqqqqqqqqqqqqqUlVVVVVVVVVVVVVVVVVVVaWqqqqqqqqqqqqqqqqqqqpKVVVVVVVVVVVVVVVVVVVVlaqqqqqqqqqqqqqqqqqqqipVVVVVVVVVVVVVVVVVVVVVqqqqqqqqqqqqqqqqqqqqqlRVVVVVVVVVVVVVVVVVVVWpqqqqqqqqqqqqqqqqqqqqUlVVVVVVVVVVVVVVVVVVVaWqqqqqqqqqqqqqqqqqqqpKVVVVVVVVVVVVVVVVVVVVlaqqqqqqqqqqqqqqqqqqqipVVVVVVVVVVVVVVVVVVVVVqqqqqqqqqqqqqqqqqqqqqlRVVVVVVVVVVVVVVVVVVVWpqqqqqqqqqqqqqqqqqqqqUlVVVVVVVVVVVVVVVVVVVaWqqqqqqqqqqqqqqqqqqqpKVVVVVVVVVVVVVVVVVVVVlaqqqqqqqqqqqqqqqqqqqipVVVVVVVVVVVVVVVVVVVVVqqqqqqqqqqqqqqqqqqqqqlRVVVVVVVVVVVVVVVVVVVWpqqqqqqqqqqqqqqqqqqqqUlVVVVVVVVVVVVVVVVVVVaWqqqqqqqqqqqqqqqqqqqpKVVVVVVVVVVVVVVVVVVVVlaqqqqqqqqqqqqqqqqqqqipVVVVVVVVVVVVVVVVVVVVVqqqqqqqqqqqqqqqqqqqqqlRVVVVVVVVVVVVVVVVVVVWpqqqqqqqqqqqqqqqqqqqqUlVVVVVVVVVVVVVVVVVVVaWqqqqqqqqqqqqqqqqqqqpKVVVVVVVVVVVVVVVVVVVVlaqqqqqqqqqqqqqqqqqqqipVVVVVVVVVVVVVVVVVVVVVqqqqqqqqqqqqqqqqqqqqqgA",
+   "width": 129,
+   "height": 65,
+   "scale": 2,
+   "expect": "100001111111100001110000111111110000111000011111111000011100001111111100001110000111111110000111000011111111000011100001111111100001110000111111110000111000011111111000011100001111111100001110000111111110000111000011111111000011100001111111100001110000111111110000111000011111111000011100001111111100001110000111111110000111000011111111000011100001111111100001110000111100001111000011110000111100001111000011110000111100001111000010001111000011110000111100001111000011110000111100001111000011110000111100110000111100001111000011110000111100001111000011110000111100001111000011111111000011110000111100001111000011110000111100001111000011110000111100001100111100001111000011110000111100001111000011110000111100001111000011110001000011110000111100001111000011110001101001011010011001011010010111011010010110101010010110100110010110100101110110100101101010100101101001000101101001011101101001011011101001011010011001011010010111011010010110111010010110100110010110100101110110100101101010100101101001100101101001010101101001011011101001011010011001011010010111011010010110111010010110100110010110100101110110100101101110100101101000100101101001010101101001011011101"
+  },
+  {
+   "name": "diagonal-2x2-s3",
+   "patternData": "AAMACw",
+   "width": 2,
+   "height": 2,
+   "scale": 3,
+   "expect": "000000000000000000010000000011111111001000000001111111100100000000111111110010000000011111111001000000001111111100100000000111111110010000000011111111001000000001111111100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000001111111100100000000111111110000010100000010000001010000001000000101000000100000000100000010000000010000001000000001000000100000000100000010100000010000001010000001000000101001000100000010100100010000001010010001000000101001000100000000100100010000000010010001000000001001000101000000100100010100000010010001010000001001000101001000100100010100100010010001010010001001000001001000100100000100100010010000010010001011000001001000100110001100011100011000110001110001100011000111000110001100011100011000110001110001100011000111000110001100011100011000110001110001100011000111000110001100011100011000110001110001100011000111000110001100011100011000110001110001100011000111000110001100011100011000110001110001100011000111000110001100011100011000110001110001100011000111000110001100011100011000110001110001100011000111000110001100011100"
+  },
+  {
+   "name": "one-bit-3x5-s3",
+   "patternData": "AAsMAEA",
+   "width": 3,
+   "height": 5,
+   "scale": 3,
+   "expect": "111111111111111111110000000011111111111000000001111111111100000000111111111110000000011111111111000000001111111111100000000111111111110000000011111111111000000001111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111011101111111111111111011101111111111111111111111111111101111111111111111011101111111111111111111111111111111111111111111111111101111110111011111111111111110111111111111111111111111111111111011111111111111110111011111111111111110111111111111011111111111111111111011111111111111111111111111101111111111111111011111011111111110111111111111111101111111111111111011101111111111110111111111111111101101111111111110111111111111011111111111101111111111111111111110111111111111011111111111101111111111110101111110111111111110111111111111111111111111111111111111011111111110111111111111111111111111111111111111111111111110111111111111111111111111111011111111111101111111101111111111110111111111111011111111111101111111111111111111110111111111111011111111111011111111111111111111101111111111110101111111"
+  },
+  {
+   "name": "all-but-one-8x8-s3",
+   "patternData": "ADMY_v________8",
+   "width": 8,
+   "height": 8,
+   "scale": 3,
+   "expect": "000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000111111110000000000011111111000000000001111111100000000000111111110000000000011111111000000000001111111100000000000111111110000000000011111111000000000000000000000000000000000000000010000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000100000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000000000000000"
+  },
+  {
+   "name": "checker-17x9-s3",
+   "patternData": "AHscqqqqqqqqqqqqqqqqqqqqqqqqqgA",
+   "width": 17,
+   "height": 9,
+   "scale": 3,
+   "expect": "100000000000000001101111111111111111000111111111111111100011111111111111110001111111111111111000111111111111111100011111111111111110001111111111111111000111111111111111100011111111111111110001111111111111111000111111111111111100011111111111111110001111111111111111000111111111111111100011111111111111110001111111111111111001000000000000000011100000000000000001111110010001000000110011100010010001000000101101100010000001100110000001000010000110010110000001000111001100000010001001111001001100000010000110111001001010100111000110111001001011011111000100101001111101001011100000110110111101001011100011010100100100000010011011010100100100111110011011010100111000101111000011010011011000101111000011100011011100100100101111100011011100111010101101100010011111111111101101011011011001001010010001011001011110001000011011100110100001101111110100111101110000101100001100110110010101011011010110001010010010101011010110100101010001001011101101011011011001101000011001111001011110000111100100100010110000101111110100111101110000101100001011001010010101011011010110001010010110111010010010111100101001001011100101111001010001101000011001111001100000010111100100100010110"
+  },
+  {
+   "name": "stripes_v-33x16-s3",
+   "patternData": "APs4qqqqqlRVVVWpqqqqUlVVVaWqqqpKVVVVlaqqqipVVVVVqqqqqlRVVVWpqqqqUlVVVaWqqqpKVVVVlaqqqipVVVVV",
+   "width": 33,
+   "height": 16,
+   "scale": 3,
+   "expect": "011111111111111110001111111111111111000111111111111111100011111111111111110001111111111111111000111111111111111100011111111111111110001111111111111111000111111111111111100011111111111111110001111111111111111000111111111111111100011111111111111110001111111111111111000111111111111111100011111111111111110001111111111111111000111111111111111100011111111111111110011010101001010101101101011010101001010101101010100101010111010101101010100101010110101010010101100101010110101010010101011010101001011010010101011010101001010101101010100110101001010101101010100101010110101011101010100101010110101010010101011010110110101010010101011010101001010101101101011010101001010101101010100101010111010101101010100101010110101010010101100101010110101010010101011010101001011011110001111100011111000101110001011100000111000001110010011100100111011001110110011111100111111001111110011011100110111110001101100011011000100110001001100000011000000110010001100100011011000110110001111100011111000111110001011100010111111001101110011011100100111001001110000011100000111010001110100011111000111110001111100011011000110110001001100010011111000101110001011100000111000001110010011100100"
+  },
+  {
+   "name": "stripes_h-129x65-s3",
+   "patternData": "APv_AAAAAAAAAAAAAAAAAAAAAP7___________________8DAAAAAAAAAAAAAAAAAAAA-P___________________w8AAAAAAAAAAAAAAAAAAADg____________________PwAAAAAAAAAAAAAAAAAAAID_____________________AAAAAAAAAAAAAAAAAAAAAP7___________________8DAAAAAAAAAAAAAAAAAAAA-P___________________w8AAAAAAAAAAAAAAAAAAADg____________________PwAAAAAAAAAAAAAAAAAAAID_____________________AAAAAAAAAAAAAAAAAAAAAP7___________________8DAAAAAAAAAAAAAAAAAAAA-P___________________w8AAAAAAAAAAAAAAAAAAADg____________________PwAAAAAAAAAAAAAAAAAAAID_____________________AAAAAAAAAAAAAAAAAAAAAP7___________________8DAAAAAAAAAAAAAAAAAAAA-P___________________w8AAAAAAAAAAAAAAAAAAADg____________________PwAAAAAAAAAAAAAAAAAAAID_____________________AAAAAAAAAAAAAAAAAAAAAP7___________________8DAAAAAAAAAAAAAAAAAAAA-P___________________w8AAAAAAAAAAAAAAAAAAADg____________________PwAAAAAAAAAAAAAAAAAAAID_____________________AAAAAAAAAAAAAAAAAAAAAP7___________________8DAAAAAAAAAAAAAAAAAAAA-P___________________w8AAAAAAAAAAAAAAAAAAADg____________________PwAAAAAAAAAAAAAAAAAAAID_____________________AAAAAAAAAAAAAAAAAAAAAP7___________________8DAAAAAAAAAAAAAAAAAAAA-P___________________w8AAAAAAAAAAAAAAAAAAADg____________________PwAAAAAAAAAAAAAAAAAAAID_____________________AAAAAAAAAAAAAAAAAAAAAP7___________________8DAAAAAAAAAAAAAAAAAAAA-P___________________w8AAAAAAAAAAAAAAAAAAADg____________________PwAAAAAAAAAAAAAAAAAAAID_____________________AAAAAAAAAAAAAAAAAAAAAAA",
+   "width": 129,
+   "height": 65,
+   "scale": 3,
+   "expect": "000000000000000000011111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111110000000000000000000000000000000000000011001001001101101100101011001001001101101100100011011001001001101101111011011001001001101101101011011011001001001101110011011011001001001101110010011011011001001001010010011011011001001001110010010011011011001000110010010011011011001001110110010010011011011010110110010010011011011000110110110010010011011100110110110010010011011000100110110110010010011100100110110110010010011100100100110110110010011001110110011111100110111001001110100011111000110110000001101100011111000101110000011101100111111001101110000011101000110110001001100000011001000111110001011100100111011001111110010011100000111010001111100010011001000110110001111100010111001001110110011111100110111010001111100011011000100110010001101100011111000101110010011111100110111001001110000011111000110110001001100100011011000101110000011100"
+  },
+  {
+   "name": "one-bit-2x2-s4",
+   "patternData": "AAQACA",
+   "width": 2,
+   "height": 2,
+   "scale": 4,
+   "expect": "000000000111111111100000000011111111110000000001111111111000000000111111111100000000011111111110000000001111111111000000000111111111100000000011111111110000000001111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111100110101100110101101111101101111001101011001101011011111011011111011010110011010110111110110111110110101100110101100111101101111101101011001101011001111011011111011011110011010110011110110111110110111110110101100111101101111101101111101101011001111011001111011011111011010110011110110011110110111110110111100111101100111101101111101101111101111011001111011011111011011111011110110011110110011110111111111010111111001010111110101011111110101111110010101111101010111111101011111100101011111010101111111010111111001010111110101011111110101111110010101111101010111111101011111100101011111010101111111010111111001010111110101011111110101111110010101111101010111111101011111100101011111010101111111010111111001010111110101011111110101111110010101111101010111111101011111100101011111010101111111010111111"
+  },
+  {
+   "name": "all-but-one-3x5-s4",
+   "patternData": "AAwM_n8",
+   "width": 3,
+   "height": 5,
+   "scale": 4,
+   "expect": "000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000111111111100000000011111111110000000001111111111000000000111111111100000000011111111110000000001111111111000000000111111111100000000011111111110000000001111111111000000000111111111100000000000000001000000010000000000000000000000000001000000000000000000100000001000000000000000000010000000100000000000000000010000000000000010000000000001000000010000001000000000001000000000000000000000000000100000000000000000000000000010000000000000000001000000010000001000000000000100000001000000000000000000100000000000000100000000000010000000100000010000000000010000001000000000000000000001000001000000000000000000000100100000000000000000000000001000000000000000000100100000000000000000000000001000000000000000000001000000000000000000000000010010000000000000000001000000000000000000000000010010000000000000000001000000000000000000000000100100000000000000000000010000000000000000000000100100000000000000000000001001000000000000000000100100000000000000000000000010000000000000000000001000000000000"
+  },
+  {
+   "name": "checker-8x8-s4",
+   "patternData": "ADQYqlWqVapVqlU",
+   "width": 8,
+   "height": 8,
+   "scale": 4,
+   "expect": "111111111000000000011111111100000000001111111110000000000111111111000000000011111111100000000001111111110000000000111111111000000000011111111100000000001111111110000000000000000000111111111100000000011111111110000000001111111111000000000111111111100000000011111111110000000001111111111000000000111111111100000000011111111110000000001111111111000000000111111111110111101010111101011110101011110101111010101111010101101010111101010110101011110101011010101111010101111010111101010111101011110101011110101111010101111000111101010111100011110101011110001111010101111000101101010111100010110101011110001011110101111000101111010111100010111101011110001011110001111000101111000111100010111100011110001011110001011000101111000101100010111100010110001011110001011100101111101010101010101110101010101010111010101010101011101010101010101110101010101010111010101010101011101010101010101110101010101010111010101010101011101010101010101110101010101010111010101010101011101010101010101110101010101010111010101010101011101010101010101110101010101010111010101010101011101010101010101110101010101010111010101010101011101010101010101110101010101010111010101010101011101010101010101"
+  },
+  {
+   "name": "stripes_v-17x9-s4",
+   "patternData": "AHwcqqpUVamqUlWlqkpVlaoqVVWqqgA",
+   "width": 17,
+   "height": 9,
+   "scale": 4,
+   "expect": "111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111001110011001110011000110011000110011111001100011001110011001110011000110011111001100011001100011001110011001110011111001100111001100011001100011001110011110001100111001100111001100011001100011110001100110001100111001100111001100011110011100110001100110001100111001100111110011100110011100110001100110001100111110011000110011100110011100110001100111110011000110011000110011100110011100111110011001111110011100000000000110001111111111101111000010000001000011110111111111110001100000000000111001111111111100111000001111110011100000100000110001111101111101111000011000001000011110011111111110001110000000000111000111111111100111100001111110011110000100000110000111101111101111100011000001000001110011111111111001110000000000011000111111111110111100001111111011110000100000010000111101111111111100011"
+  },
+  {
+   "name": "stripes_h-33x16-s4",
+   "patternData": "APw4AAAAAP7___8DAAAA-P___w8AAADg____PwAAAID_____AAAAAP7___8DAAAA-P___w8AAADg____PwAAAID_____",
+   "width": 33,
+   "height": 16,
+   "scale": 4,
+   "expect": "000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111110100100100100100101101101101101101001001001001001001011011011011011010010010010010010110110110110110110100100100100100101101101101101101001001001001001001011011011011011010010010010010010110110110110110110100100100100100101101101101101101101001001001001001011011011011011010010010010010010010110110110110110100100100100100101101101101101101101001001001001001011011011011011010010010010010010010110111101011010110101001010010100101011010110101101010010100101001010110101101011010100101001010010101101011010110101001010010100101011010110101101010010100101001010110101101011010100101001010010101101011010110101001010010100101011010110101101010010100101001010110101101011010100101001010010101101011010110101001010010100101011010110101101010010100101001010110101101011010100101001010010101101011010110101"
+  },
+  {
+   "name": "diagonal-129x65-s4",
+   "patternData": "APz_MzMzMzMzMzMzMzMzMzMzM83MzMzMzMzMzMzMzMzMzMwwMzMzMzMzMzMzMzMzMzMzy8zMzMzMzMzMzMzMzMzMzDwzMzMzMzMzMzMzMzMzMzPTzMzMzMzMzMzMzMzMzMzMDDMzMzMzMzMzMzMzMzMzM7PMzMzMzMzMzMzMzMzMzMzMMzMzMzMzMzMzMzMzMzMzM83MzMzMzMzMzMzMzMzMzMwwMzMzMzMzMzMzMzMzMzMzy8zMzMzMzMzMzMzMzMzMzDwzMzMzMzMzMzMzMzMzMzPTzMzMzMzMzMzMzMzMzMzMDDMzMzMzMzMzMzMzMzMzM7PMzMzMzMzMzMzMzMzMzMzMMzMzMzMzMzMzMzMzMzMzM83MzMzMzMzMzMzMzMzMzMwwMzMzMzMzMzMzMzMzMzMzy8zMzMzMzMzMzMzMzMzMzDwzMzMzMzMzMzMzMzMzMzPTzMzMzMzMzMzMzMzMzMzMDDMzMzMzMzMzMzMzMzMzM7PMzMzMzMzMzMzMzMzMzMzMMzMzMzMzMzMzMzMzMzMzM83MzMzMzMzMzMzMzMzMzMwwMzMzMzMzMzMzMzMzMzMzy8zMzMzMzMzMzMzMzMzMzDwzMzMzMzMzMzMzMzMzMzPTzMzMzMzMzMzMzMzMzMzMDDMzMzMzMzMzMzMzMzMzM7PMzMzMzMzMzMzMzMzMzMzMMzMzMzMzMzMzMzMzMzMzM83MzMzMzMzMzMzMzMzMzMwwMzMzMzMzMzMzMzMzMzMzy8zMzMzMzMzMzMzMzMzMzDwzMzMzMzMzMzMzMzMzMzPTzMzMzMzMzMzMzMzMzMzMDDMzMzMzMzMzMzMzMzMzM7PMzMzMzMzMzMzMzMzMzMzMMzMzMzMzMzMzMzMzMzMzM83MzMzMzMzMzMzMzMzMzMwwMzMzMzMzMzMzMzMzMzMzy8zMzMzMzMzMzMzMzMzMzDwzMzMzMzMzMzMzMzMzMzPTzMzMzMzMzMzMzMzMzMzMDDMzMzMzMzMzMzMzMzMzM7PMzMzMzMzMzMzMzMzMzMzMMzMzMzMzMzMzMzMzMzMzM83MzMzMzMzMzMzMzMzMzMwwMzMzMzMzMzMzMzMzMzMzy8zMzMzMzMzMzMzMzMzMzDwzMzMzMzMzMzMzMzMzMzPTzMzMzMzMzMzMzMzMzMzMDDMzMzMzMzMzMzMzMzMzM7PMzMzMzMzMzMzMzMzMzMzMMzMzMzMzMzMzMzMzMzMzM83MzMzMzMzMzMzMzMzMzMwwMzMzMzMzMzMzMzMzMzMzy8zMzMzMzMzMzMzMzMzMzDwzMzMzMzMzMzMzMzMzMzPTzMzMzMzMzMzMzMzMzMzMDDMzMzMzMzMzMzMzMzMzM7PMzMzMzMzMzMzMzMzMzMzMMzMzMzMzMzMzMzMzMzMzMwE",
+   "width": 129,
+   "height": 65,
+   "scale": 4,
+   "expect": "000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010001100110001100111001100111001100011001100011110011100110001100110001100111001100111001100011110011100110001100110001100111001100111001100010110011100100001100110001101111001100111001000000110011100100011100110001101110001100111001000000110011100100011100110001101110001100111001000000110110011100110011100110001100110001100111000011000110011100110011100110001100110001100111010011000110011000110010110010110000100101100001101011010011010010100110100111001101100101001011000011010110000110100101001101001110011010011101101001101001110011110010110111100101100011001011000010010011010011100110100111101111001011001110010110010100101100011000110010110000100101100001100011010011010110100110100101100101100101001011000011010110000110101101001101001110011100110101101001101001010011110010100111100101100"
+  },
+  {
+   "name": "all-but-one-2x2-s5",
+   "patternData": "AAUADg",
+   "width": 2,
+   "height": 2,
+   "scale": 5,
+   "expect": "000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000111111111100000000011111111110000000001111111111000000000111111111100000000011111111110000000001111111111000000000111111111100000000011111111110000000001111111111000000000111111111111001000001001000001001000001001000001101100001110000000010000000010000000011000000011000000011100000100110000110110000110110000110110000010010000001100000001100000001101000000100000000100000011011000001011000001001000001001000001001000000110000000010000000010000000010000000011000000100100000100100000100100000110110000110110000011000000001000000001100000001101000001101000000111000011011000001011001010001000110001010001100010001000010000010000100010000100000100101000100011000101000110001000100001000001000010001000010000010010100010001100010100011000100010000100000100001000100001000001001010001000110001010001100010001000010000010000100010000100000100101000100011000101000110001000100001000001000010001000010000010010100010001100010100011000100010000100000100001000100001000001001010001000110001"
+  },
+  {
+   "name": "checker-3x5-s5",
+   "patternData": "AA0Mqio",
+   "width": 3,
+   "height": 5,
+   "scale": 5,
+   "expect": "111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111100110110110111110111110110110110001110010000011110011100010010010011111011111011011011000111011111000011001110001001001001111001111001001101101101110011100001101110001100100100111100111100111000011100111011110000110111000110110110111010000111101100001110011101110001010011100011011011100100100011100100000101001110111000001001110100111110110110010001110010000010101110010100000111011111011111011011011011011110001001011100101101101111110000100011100110110111010010101110011010110111100010010111000011011011001001011100011011011010011101001000111101101011001110000011110111101100111000100001111110110110100111010011011011011010011101001110001011010110100011110010000101011010001101001100010101101101110001100100100010110101000110010110001011010110100011000100110000110110110010010111000011011011011100"
+  },
+  {
+   "name": "stripes_v-8x8-s5",
+   "patternData": "ADUYqqqqqqqqqqo",
+   "width": 8,
+   "height": 8,
+   "scale": 5,
+   "expect": "000000000111111111100000000011111111110000000001111111111000000000111111111100000000011111111110000000001111111111000000000111111111100000000011111111110000000001111111111000000000111111111100000000011111111110000000001111111111000000000111111111100000000011111111110000000001111111111000000000111111111100000000011111111110000000001111111111000000000111111111111111000001111000001111000001111000001111100001111100001111100001111100000111100000111100000111100000111110000111110000111110000111110000011110000011110000011110000011111000011111000011111000011111000001111000001111000001111000001111100001111100001111100001111100000111100000111100000111100000111110000111110000111110000111110000011110000011110000011110000011111000011111000011111000011111000001111001010101010110101010101101010101001010101010010101010100101010101101010101011010101010110101010100101010101001010101010010101010110101010101101010101011010101010010101010100101010101001010101011010101010110101010101101010101001010101010010101010100101010101101010101011010101010110101010100101010101001010101010010101010110101010101101010101011010101010010101010100101010101001010101011010101010110101"
+  },
+  {
+   "name": "stripes_h-17x9-s5",
+   "patternData": "AH0cAAD-_wMA-P8PAOD_PwCA__8AAAA",
+   "width": 17,
+   "height": 9,
+   "scale": 5,
+   "expect": "111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111100111001001001001110110110110111001101101101110001110010010010011101100100100111011011011011100011100100110110111001001001001110110110110011100011101101101101110010010010011100100100100111000111011011011011110110110110111001001001001110001110010010010011101101101101110010011011011100011100100100100111011011001001110110110110111000111001001001101110010010010011101101101101111000111011011011011100101110100000110111110100000110111100100100111111100100100111110100100111111100100100111111100100101111101100000111111100100100111101100000101111101100000101111101000101111101100000101111101100001101111101000001101111100000101111101000001101111101000001101111001001001111101000001101111101001001111111001001001111111001001011111001001001111111001001001111011000001011111011000001111111000001011111011000"
+  },
+  {
+   "name": "diagonal-33x16-s5",
+   "patternData": "AP04MzMzM83MzMwwMzMzy8zMzDwzMzPTzMzMDDMzM7PMzMzMMzMzM83MzMwwMzMzy8zMzDwzMzPTzMzMDDMzM7PMzMzM",
+   "width": 33,
+   "height": 16,
+   "scale": 5,
+   "expect": "000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000111110000111110000111110000111110000011110000010000011110000011110000011111000011111000011111000111100000111110000111110000111110001110000011100001111100001111100001110100000111100000111100111100000111100000111110000111110000111110000111000001111100001111100001110100001111100000111011111000011101000011101000001111000001111000101000001111000001111100001111100001111100001111100011111000011101000010110100100110110110100010110110100100100101110100100100110110101100101101100100100101110100101001101101101000101101101101001001001101001001101101101011001001011001001001011101001010001011011011001011011001001010010011011010011011011010010010010111010010010011010010100010110110110010010110010010100110110110100010110110110010100101110100100100110110100100101101100100100101110100100001101101101000101"
+  },
+  {
+   "name": "one-bit-129x65-s5",
+   "patternData": "AP3_AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAE",
+   "width": 129,
+   "height": 65,
+   "scale": 5,
+   "expect": "000000000111111111100000000011111111110000000001111111111000000000111111111100000000011111111110000000001111111111000000000111111111100000000011111111110000000001111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111"
+  },
+  {
+   "name": "checker-2x2-s6",
+   "patternData": "AAYABg",
+   "width": 2,
+   "height": 2,
+   "scale": 6,
+   "expect": "111111111000000000011111111100000000001111111110000000000111111111000000000011111111100000000001111111110000000000111111111000000000011111111100000000001111111110000000000000000000111111111100000000011111111110000000001111111111000000000111111111100000000011111111110000000001111111111000000000111111111100000000011111111110000000001111111111000000000111111111111110001111110001111110001111110001111110001111100011101100011101100011100100011100100011100100111000000111000000111000000111000000111000000010001101110001101110001101110000100111000100111011111100011101100001111110001111110001111110001001000011101100011101100011100100011100100011100000111000000111000000111000000111000000111000101110001101110001101110001101110001101110001100100011111100011101100011001111001001101001111100001101000101100001111100101100100111100100111100100110100111110000110100010110000111110010110010011110010011110010011010011111000011010001011000011111001011001001111001001111001001101001111100001101000101100001111100101100100111100100111100100110100111110000110100010110000111110010110010011110010011110010011010011111000011010001011000011111001011001001111001001111001001101"
+  },
+  {
+   "name": "stripes_v-3x5-s6",
+   "patternData": "AA4MkiQ",
+   "width": 3,
+   "height": 5,
+   "scale": 6,
+   "expect": "111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111110000000001111111111111111110000000001111111111111111111000000000111111111111111111000000000111111111111111111000000000011111111111111111100000000011111111111111111100000000011111111111111111110000000001111111111111111110000000001111111111111111111000000000111111111111111111000000000111111111111111111000000000011111111111111111100000000011111111111111111100000000011111111111111111100111100111001111001110011110011100111100111001111001110011110111100111101111001111011110011110111100111101111001111100111100111001111001110011110011100111100111001111001110011110011100111101111001111011110011110111100111101111001111100111100111001111001110011110011100111100111001111001110011110011100111100111001111011110011110111100111101111001111100111100111001111001110011110011100111100111001"
+  },
+  {
+   "name": "stripes_h-8x8-s6",
+   "patternData": "ADYYAP8A_wD_AP8",
+   "width": 8,
+   "height": 8,
+   "scale": 6,
+   "expect": "000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111110001110001110001110001110001110001110001110011100011100011100011100011100011100011100011100111000111000111000111000111000111000111000011101110001110001110001110001110000111000111000111011100011100011100001110001110001110001110001110111000011100011100011100011100011100011100011100111000111000111000111000111000111000111000111001110001110001110001110001110001110001110001111011100011100011100011101010110101101011010110101101011010110101101011010110101101011010010100101001010010100101001010010100101001010010100101001010010110101101011010110101101011010110101101011010110101101011010110100101001010010100101001010010100101001010010100101001010010100101101011010110101101011010110101101011010110101101011010110101101001010010100101001010010100101001010010100101001010010100101001011010110101101011"
+  },
+  {
+   "name": "diagonal-17x9-s6",
+   "patternData": "AH4cMzPNzDAzy8w8M9PMDDOzzMwzMwE",
+   "width": 17,
+   "height": 9,
+   "scale": 6,
+   "expect": "000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001111111110000000001111111111111110000000000000000000011111111100000000000011011111100100111111111000000000111111000000000000111111111101111111110000000001111111110000011000000100111111100011111101100000000001111111111110000000001000000000010011111101100000011000011111100000011000000000000111111111000000000000111111111000001111110010000001101111110010000000000001111111111111111111100000000010111100101110000111100000110000111001111000001111001110111001011000111100011111000111110011111011111000011111000011110011111001111100111110000111100111010011100110011110000011110011000001100000111100001110100111000000110000111100000110001111000011100001111000001100000111000001110000111000001110001111001011000001111001001111000110000111100110110000111000111110011111000111111000011100111100001111100"
+  },
+  {
+   "name": "one-bit-33x16-s6",
+   "patternData": "AP44AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACA",
+   "width": 33,
+   "height": 16,
+   "scale": 6,
+   "expect": "000000000111111111100000000011111111110000000001111111111000000000111111111100000000011111111110000000001111111111000000000111111111100000000011111111110000000001111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111100111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111"
+  },
+  {
+   "name": "all-but-one-129x65-s6",
+   "patternData": "AP7__v___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________wE",
+   "width": 129,
+   "height": 65,
+   "scale": 6,
+   "expect": "000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000111111111100000000011111111110000000001111111111000000000111111111100000000011111111110000000001111111111000000000111111111100000000011111111110000000001111111111000000000111111111100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"
+  },
+  {
+   "name": "stripes_v-2x2-s7",
+   "patternData": "AAcACg",
+   "width": 2,
+   "height": 2,
+   "scale": 7,
+   "expect": "000000000111111111100000000011111111110000000001111111111000000000111111111100000000011111111110000000001111111111000000000111111111100000000011111111110000000001111111111000000000111111111100000000011111111110000000001111111111000000000111111111100000000011111111110000000001111111111000000000111111111100000000011111111110000000001111111111000000000111111111111111111111111111110000000000000000001111111111111111110000000000000000000111111111111111111000000000000000000111111111111111111000000000000000000011111111111111111100000000000000000011111111111111111110000000000000000001111111111111111110000000000000000001111111111111111111000000000000000000111111111111111111000000000000000000011111111111111111100000000000000000011111111111111111100000000000000001111000011100001111000111100001110000111100011110000111000011110001111000011100001111000111100001110000111100011110000111000011100001111000111100001110000111100011110000111000011110001111000011100001111000111100001110000111100011110000111000011110001111000111100001110000111100011110000111000011110001111000011100001111000111100001110000111100011110000111000011110001111000011100001110000111100011110"
+  },
+  {
+   "name": "stripes_h-3x5-s7",
+   "patternData": "AA8MOA4",
+   "width": 3,
+   "height": 5,
+   "scale": 7,
+   "expect": "111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111100000001111111111110000001111110000001111111111100000011111111111100000011111100000011111111111000000111111111111000000111111000000111111111110000001111111111110000001111111000000111111111100000011111111111110000001111110000001111111111000000011111111111100000011111100000011111111111000000111111111111000000111111000000111111111110000001111111111110000001111110000001111111111100000011111111111100001100100111001101111011001110010011100110111101100111001001101111011001110010011100110111101100111001001110011011001110010011100100111001101111011001110010011100110110011100100111001101111011001110010011100110111101100100111001101111011001110010011100110111001101111011001001110011011110110011100100111001101111011001110010011011110110011100100111001101111011001110010011100110110011101100111001001110"
+  },
+  {
+   "name": "diagonal-8x8-s7",
+   "patternData": "ADcYM2bMmTNmzJk",
+   "width": 8,
+   "height": 8,
+   "scale": 7,
+   "expect": "000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000111111111000000000011111111100000000001111111110000000000111111111000000000011111111100000000001111111110000000000111111111000000000011111111100000000001111111110000000000111111111000000000000000001111111111111111110000000000000000001111111111101111100000000000011000011111111111100111000000000000111000111111111111000111000000000001111101111111111110000010000000000000111100111111111100000000000000000001111111111111111110000000000000000011111111111111111100000000000000000111111111111111111000000000000000000111111111111111110000000000000000001111111111111111110000000000000000011111111110011111010000011111100000101111101000001111110000011111110000010111110000001111101000001011111000000111110000000111110100000111111000001011111000000111110100000101111100000011111000000011111010000011111100000101111101000001111110000011111110000010111110000001111101000001111110000010111110100000111111000001111111000001011111000000111110100000101111100000011111000000011111010000011111100000101111100"
+  },
+  {
+   "name": "one-bit-17x9-s7",
+   "patternData": "AH8cAAAAAAAAAAAAAAAAAAAAAAAAAAE",
+   "width": 17,
+   "height": 9,
+   "scale": 7,
+   "expect": "000000000111111111100000000011111111110000000001111111111000000000111111111100000000011111111110000000001111111111000000000111111111100000000011111111110000000001111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111100000011111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111011111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111"
+  },
+  {
+   "name": "all-but-one-33x16-s7",
+   "patternData": "AP84_v______________________________________________________________________________________",
+   "width": 33,
+   "height": 16,
+   "scale": 7,
+   "expect": "000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000111111111100000000011111111110000000001111111111000000000111111111100000000011111111110000000001111111111000000000111111111100000000011111111110000000001111111111000000000111111111100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"
+  },
+  {
+   "name": "checker-129x65-s7",
+   "patternData": "AP__qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqgA",
+   "width": 129,
+   "height": 65,
+   "scale": 7,
+   "expect": "111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111110000001111111111110000001111111111110000011111101111100000011111100111100000011111100111000000111111000111000000111111000111000000011110000010000001111110000010000000111111000011000011111100000010000001111110000000000001111110000110000011111100000010000011111100000011000011111000000111000111111000000111000111111000000111101111110000001111101111110000001111101111110000011111111111100000011111100011010101100011100001010011101011110101110010100001110001101010110001110000101001110101111010111001010000111000110101011000111000110101011000111000010100111010111101011100101000011100011010101100011100001010011101011110101110010100001110001101010110001110001101010110001110000101001110101111010111001010000111000110101011000111000010100111010111101011100101000011100011010101100011100011010101100"
+  },
+  {
+   "name": "alternating-127x16-s0",
+   "patternData": "AOg7qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqo",
+   "width": 127,
+   "height": 16,
+   "scale": 0,
+   "expect": "010101010010101010110101010110101010100101010100101010101101010101101010101001010101001010101011010101011010101010010101010010101010110101010110101010100101010100101010101101010101101010101001010101001010101011010101011010101010010101010010101010110101010110101010100101010100101010101101010101101010101001010101001010101011010101011010101010010101010010101010100000111111111111111111000000000000000000111111100000000000111111111111111111100000000000000000100000000000000000011111111111111111100000000001111111100000000000000000011111111111111111100011111111111111110000000000000000001111111111111000001111111111111111110000000000000000001111111000000000001111111111111111110000000000000000001000000000000000000111111111111111111000000000011111111000000000000001111000011100001111000111100001110000111000011110001111000011100001110000111100011110000111000011100001111000111100001111000011100001111000111100001110000111000011110001111000011100001110000111100011110000111000011100001111000111100001111000011100001111000111100001110000111000011110001111000011100001110000111100011110000111000011110001111000111100001111000011100001111000111100001110000111000011110"
+  },
+  {
+   "name": "alternating-64x65-s0",
+   "patternData": "APD9qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqg",
+   "width": 64,
+   "height": 65,
+   "scale": 0,
+   "expect": "010101010101010101001010101010101010100101010101010101010010101010101010101001010101010101010100101010101010101010010101010101010101001010101010101010100101010101010101010010101010101010101001010101010101010100101010101010101010010101010101010101001010101010101010100101010101010101010010101010101010101001010101010101010100101010101010101010010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010"
+  },
+  {
+   "name": "clear-34x33-s0",
+   "patternData": "AAB9AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA",
+   "width": 34,
+   "height": 33,
+   "scale": 0,
+   "expect": "111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111"
+  },
+  {
+   "name": "cols-33x17-s0",
+   "patternData": "APg8qqqqqlRVVVWpqqqqUlVVVaWqqqpKVVVVlaqqqipVVVVVqqqqqlRVVVWpqqqqUlVVVaWqqqpKVVVVlaqqqipVVVVVqqqqqgA",
+   "width": 33,
+   "height": 17,
+   "scale": 0,
+   "expect": "101010101101010101010101010110101010101010101011010101010101010101101010101010101010110101010101010101011010101010101010101101010101010101010110101010101010101011010101010101010101101010101010101010110101010101010101011010101010101010101101010101010101010110101010101010101011010101010101010101101010101010101010110101010101010101011010101010101010101101010101000101001011010110101101011010010100101001011010110101101011010010100101001011010110101101011010010100101001011010110101101011010010100101001011010110101101011010010100101001011010110101101011010010100101001011010110101101011010010100101001011010110101101011010010100101001011010110101101011010010100101001011010110101101011010010100101001011010110101101011010010100101001011010110101101011010010100101111111111111111100000000000000001111111111111111100000000000000001111111111111111100000000000000001111111111111111100000000000000000011111111111111111000000000000000011111111111111111000000000000000011111111111111111000000000000000011111111111111111110000000000000000111111111111111110000000000000000111111111111111110000000000000000111111111111111110100000000000000001111111111111111100000000000000"
+  },
+  {
+   "name": "first-bit-3x63-s0",
+   "patternData": "AAj0AQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA",
+   "width": 3,
+   "height": 63,
+   "scale": 0,
+   "expect": "111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111011011011011011011011111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111110111111110111111110111111110111111110111111110111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111"
+  },
+  {
+   "name": "last-bit-9x2-s0",
+   "patternData": "ADgAAAAC",
+   "width": 9,
+   "height": 2,
+   "scale": 0,
+   "expect": "111111110111111110111111111111111111111111111101111111101111111111111111111111111111011111111011111111111111111111111111110111111110111111111111111111111111111101111111101111111111111111111111111111011111111011111111111111111111111111110111111110111111111111111111111111111101111111101111111111111111111111111111011111111011111111111111111111111111110111111110111111111101111111111111111101111111111111111101111111101111111111111111101111111111111111101111111101111111111111111101111111111111111101111111101111111111111111101111111111111111101111111101111111111111111101111111111111111101111111111111111111111111101111111111111111101111111111111111111111111101111111111111111101111111111111111111111111101111111111111111101111111111111111111111111101111111111111011111111111111111011111111111111111011111111111111111011111111111111111011111111111111111011111111111111111011111111111111111111111110111111111111111110111111111111111110111111111111111110111111111111111110111111111111111110111111111111111111111111101111111111111111101111111111111111101111111111111111101111111111111111101111111111111111101111111111111111111111111011111111111111111011111111111111"
+  },
+  {
+   "name": "rows-17x63-s0",
+   "patternData": "AHj0AAD-_wMA-P8PAOD_PwCA__8AAP7_AwD4_w8A4P8_AID__wAA_v8DAPj_DwDg_z8AgP__AAD-_wMA-P8PAOD_PwCA__8AAP7_AwD4_w8A4P8_AID__wAA_v8DAPj_DwDg_z8AgP__AAD-_wMA-P8PAOD_PwCA__8AAP7_AwD4_w8A4P8_AAA",
+   "width": 17,
+   "height": 63,
+   "scale": 0,
+   "expect": "111111111111111111100000000000000000001111111111111111111000000000000000000011111111111111111110000000000000000000111111111111111111100000000000000000001111111111111111111111111111111111111100000000000000000001111111111111111111000000000000000000011111111111111111110000000000000000000111111111111111111100000000000000000001111111111111111111000000000000000000011011011011011011011011011011011011011011011011010110110110110110110110110110110110110110110110101101101101101101101101101101101101101101101101011011011011011011011011011011011011011011011010110110110110110110110110110110110110110110110101101101101101101101101101101101101101101101101010010010010010010010010010010010010010010010010100100100100100100100100100100100100100100100101001001001001001001001111100001111100001111100001111100001111100001111100001000011111000011111000011111000011111000011111000011100111100000111100000111100000111100000111100000111100111000011111000011111000011111000011111000011111000010000111100000111100000111100000111100000111100000111111111000011111000011111000011111000011111000011111000000000111100000111100000111100000111100000111100000111011111000011111000011111000"
+  },
+  {
+   "name": "solid-16x9-s0",
+   "patternData": "AHAc________________________",
+   "width": 16,
+   "height": 9,
+   "scale": 0,
+   "expect": "000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"
+  }
+ ]
+}
diff --git a/tools/gen-sampler-fixtures.py b/tools/gen-sampler-fixtures.py
new file mode 100644
index 0000000..63ce6b8
--- /dev/null
+++ b/tools/gen-sampler-fixtures.py
@@ -0,0 +1,237 @@
+#!/usr/bin/env python3
+"""
+Generate the oracle for map-scale sampling, and prove it against an independent
+implementation.
+
+WHY THIS EXISTS
+---------------
+OpenFront paints a pattern onto territory in ABSOLUTE world coordinates, so what
+a player sees depends on where the territory sits on the map. `tools/preview_
+prototype.py` establishes the sampling rule and verifies it; this turns that into
+a fixture the editor's JavaScript can be held to, the same way
+`tests/fixtures/codec.json` holds the codec.
+
+Two decisions worth knowing:
+
+  * **Coordinates are written out, not seeded.** The prototype picks probes with
+    an LCG whose step is `(1103515245 * s + 12345) & 0x7FFFFFFF`. Reproducing
+    that in JavaScript needs `Math.imul`, because `1103515245 * 2**31` is past
+    `Number.MAX_SAFE_INTEGER` and a plain multiply silently loses low bits — the
+    exact class of bug this fixture exists to catch. Emitting the coordinates
+    removes the risk instead of testing around it.
+
+  * **No pattern here comes from the game.** The 31 real patterns are CC BY-SA
+    4.0 and are deliberately not redistributed (see NOTICE). Most cases are
+    synthesised, because the committed corpus is 1,117 patterns at scale 0 and
+    one or two at each of the rest — it was built for width, height and bit
+    packing, and scale is the whole variable here. A slice of that corpus still
+    rides along, so this decoder is also held against data a different generator
+    committed.
+
+Every probe set deliberately straddles the origin. JavaScript's `%` is a
+remainder whose sign follows the dividend, so a naive `(x >> scale) % width`
+returns a negative index for negative world coordinates and reads before the
+start of the array. The world-offset control makes that reachable by panning
+left, so the fixture must be able to see it.
+
+    python3 tools/gen-sampler-fixtures.py           # write + verify
+    python3 tools/gen-sampler-fixtures.py --check   # verify only, no write
+"""
+
+from __future__ import annotations
+
+import base64
+import json
+import os
+import sys
+
+HERE = os.path.dirname(os.path.abspath(__file__))
+sys.path.insert(0, HERE)                       # for dsl_prototype.encode
+ROOT = os.path.dirname(HERE)
+CORPUS = os.path.join(ROOT, "tests", "fixtures", "codec.json")
+OUT = os.path.join(ROOT, "tests", "fixtures", "sampler.json")
+
+# Enough to catch an off-by-one in any dimension, small enough to read as a diff.
+CASES_PER_SCALE = 6
+PROBE_SPAN = 4096
+
+
+def floor_mod(a: int, n: int) -> int:
+    return a - n * (a // n)
+
+
+class Pattern:
+    """Decoded pattern. Mirrors OpenFront's PatternDecoder."""
+
+    def __init__(self, pattern_data: str):
+        by = base64.urlsafe_b64decode(pattern_data + "=" * (-len(pattern_data) % 4))
+        self.scale = by[1] & 0x07
+        self.width = (((by[2] & 0x03) << 5) | ((by[1] >> 3) & 0x1F)) + 2
+        self.height = ((by[2] >> 2) & 0x3F) + 2
+        self._bytes = by
+
+    def is_primary(self, world_x: int, world_y: int) -> bool:
+        px = floor_mod(world_x >> self.scale, self.width)
+        py = floor_mod(world_y >> self.scale, self.height)
+        idx = py * self.width + px
+        return (self._bytes[3 + (idx >> 3)] & (1 << (idx & 7))) == 0
+
+
+def oracle_is_primary(pattern_data: str, wx: int, wy: int) -> bool:
+    """
+    Decode to a plain grid and sample it by a different route.
+
+    Written deliberately unlike `Pattern.is_primary` — unpacking every bit up
+    front and indexing a nested list — so that a shared mistake is unlikely. A
+    self-consistent bug is exactly what an oracle has to catch.
+    """
+    by = base64.urlsafe_b64decode(pattern_data + "=" * (-len(pattern_data) % 4))
+    scale = by[1] & 0x07
+    w = (((by[2] & 0x03) << 5) | ((by[1] >> 3) & 0x1F)) + 2
+    h = ((by[2] >> 2) & 0x3F) + 2
+    grid = [[False] * w for _ in range(h)]
+    for i in range(w * h):
+        bit = (by[3 + (i // 8)] >> (i % 8)) & 1
+        grid[i // w][i % w] = bit == 0            # bit 0 means primary
+    block = 1 << scale
+    # Divide rather than shift, and use Python's floor semantics explicitly.
+    cell_x = wx // block
+    cell_y = wy // block
+    return grid[cell_y % h][cell_x % w]
+
+
+def probes() -> list[list[int]]:
+    """
+    World coordinates to sample. Three bands, each for a different failure.
+
+      * A dense block straddling the origin, where the floor-modulo trap lives.
+      * Far negatives, where a remainder-based implementation reads out of range.
+      * Far positives, which is the only region OpenFront itself ever visits.
+    """
+    pts: list[list[int]] = []
+    for y in range(-9, 10):
+        for x in range(-9, 10):
+            pts.append([x, y])
+    step = 7                                       # coprime with every width here
+    for i in range(400):
+        pts.append([-PROBE_SPAN + i * step, -PROBE_SPAN + i * step * 3 % 991])
+    for i in range(400):
+        pts.append([i * step * 5 % PROBE_SPAN, i * step * 11 % PROBE_SPAN])
+    return pts
+
+
+# Bit patterns whose sampling breaks in different ways: a checker catches an
+# x/y transposition, the two stripe directions catch it independently, a lone set
+# bit catches an index that is off by one anywhere, and its inverse catches a
+# polarity flip.
+MOTIFS = {
+    "checker": lambda x, y, w, h: (x + y) % 2,
+    "stripes_v": lambda x, y, w, h: x % 2,
+    "stripes_h": lambda x, y, w, h: y % 2,
+    "diagonal": lambda x, y, w, h: 1 if (x - y) % 4 < 2 else 0,
+    "one-bit": lambda x, y, w, h: 1 if (x, y) == (w - 1, h - 1) else 0,
+    "all-but-one": lambda x, y, w, h: 0 if (x, y) == (0, 0) else 1,
+}
+
+# Sizes chosen either side of a byte boundary and at both format limits.
+SIZES = [(2, 2), (3, 5), (8, 8), (17, 9), (33, 16), (129, 65)]
+
+
+def pick_cases(corpus: list[dict]) -> list[dict]:
+    """
+    Patterns to sample, covering every scale.
+
+    The committed corpus is 1,117 patterns at scale 0 and one or two at each of
+    the rest — it was built to exercise width, height and bit packing, and scale
+    is barely represented. Scale is the whole variable here, since it decides how
+    many world tiles share a pattern pixel, so these are synthesised across all
+    eight of them. Encoding goes through the DSL prototype's encoder rather than a
+    second copy written for this file.
+
+    A slice of the corpus rides along, so the fixture also proves this decoder
+    agrees with data that was committed by a different generator.
+    """
+    from dsl_prototype import encode
+
+    chosen: list[dict] = []
+    for scale in range(8):
+        for i, (w, h) in enumerate(SIZES):
+            name, fn = list(MOTIFS.items())[(scale + i) % len(MOTIFS)]
+            bits = [fn(x, y, w, h) for y in range(h) for x in range(w)]
+            chosen.append({
+                "name": f"{name}-{w}x{h}-s{scale}",
+                "patternData": encode(w, h, scale, bits),
+                "width": w, "height": h, "scale": scale,
+            })
+
+    from_corpus = sorted(corpus, key=lambda p: p["name"])
+    stride = max(1, len(from_corpus) // 8)
+    chosen += from_corpus[::stride][:8]
+    return chosen
+
+
+def main() -> int:
+    check_only = "--check" in sys.argv
+    corpus = json.load(open(CORPUS, encoding="utf-8"))["patterns"]
+    pts = probes()
+    cases = []
+    mismatches = 0
+
+    for p in pick_cases(corpus):
+        pat = Pattern(p["patternData"])
+        bits = []
+        for wx, wy in pts:
+            got = pat.is_primary(wx, wy)
+            if got != oracle_is_primary(p["patternData"], wx, wy):
+                print(f"  [FAIL] {p['name']} at ({wx},{wy}): sampler and oracle disagree")
+                mismatches += 1
+            bits.append("1" if got else "0")
+        cases.append({
+            "name": p["name"],
+            "patternData": p["patternData"],
+            "width": pat.width,
+            "height": pat.height,
+            "scale": pat.scale,
+            "expect": "".join(bits),
+        })
+
+    if mismatches:
+        print(f"\n*** {mismatches} sampler/oracle mismatch(es) — not writing ***")
+        return 1
+
+    doc = {
+        "note": ("Map-scale sampling oracle. Probes straddle the origin because "
+                 "JavaScript's % is a remainder, not a floor modulo. Patterns are "
+                 "from the licence-clean corpus, not OpenFront's cosmetics.json."),
+        "probeCount": len(pts),
+        "caseCount": len(cases),
+        "probes": pts,
+        "cases": cases,
+    }
+
+    if check_only:
+        if not os.path.exists(OUT):
+            print(f"{OUT} is missing — run without --check")
+            return 1
+        on_disk = json.load(open(OUT, encoding="utf-8"))
+        if on_disk != doc:
+            print(f"{OUT} is stale — re-run without --check")
+            return 1
+        print(f"sampler fixtures current  "
+              f"{len(cases)} patterns × {len(pts)} probes, oracle agrees")
+        return 0
+
+    os.makedirs(os.path.dirname(OUT), exist_ok=True)
+    with open(OUT, "w", encoding="utf-8") as fh:
+        json.dump(doc, fh, indent=1)
+        fh.write("\n")
+    neg = sum(1 for x, y in pts if x < 0 or y < 0)
+    print(f"wrote {OUT}")
+    print(f"  {len(cases)} patterns × {len(pts)} probes  "
+          f"({neg} of them negative), scales {sorted({c['scale'] for c in cases})}")
+    print(f"  sampler agrees with the independent oracle on every probe")
+    return 0
+
+
+if __name__ == "__main__":
+    sys.exit(main())
diff --git a/tools/lib/extract.js b/tools/lib/extract.js
new file mode 100644
index 0000000..825380e
--- /dev/null
+++ b/tools/lib/extract.js
@@ -0,0 +1,69 @@
+'use strict';
+/*
+ * Lift real functions out of app/patternfront.html so tests run the shipping
+ * code rather than a copy of it.
+ *
+ * The editor is one HTML file on purpose — the same file is the browser build
+ * and the desktop renderer — so there is no module boundary to import across.
+ * The suites therefore slice functions out of the <script> block and evaluate
+ * them in a vm context. That worked, but the brace matcher had been copied into
+ * two files and was about to be copied into a third, which is one edit away from
+ * two suites disagreeing about what the editor's source says.
+ *
+ *   const { editorJs, grabFunction } = require('./lib/extract');
+ */
+
+const fs = require('fs');
+const path = require('path');
+
+const APP = path.join(__dirname, '..', '..', 'app', 'patternfront.html');
+
+/** Every <script> body in the editor, concatenated. */
+function editorJs() {
+  const src = fs.readFileSync(APP, 'utf8');
+  return [...src.matchAll(/<script>([\s\S]*?)<\/script>/g)].map(m => m[1]).join('\n');
+}
+
+/**
+ * Index of the `}` closing the `{` at `from`.
+ *
+ * Comments, strings and template literals are skipped, and a backslash escapes
+ * the next character — without that last part `/\//g` reads as the start of a
+ * line comment and the match runs off the end of the file.
+ */
+function matchBrace(text, from) {
+  let depth = 0;
+  for (let i = from; i < text.length; i++) {
+    const c = text[i];
+    if (c === '\\') { i++; continue; }
+    if (c === '/' && text[i + 1] === '/') { i = text.indexOf('\n', i); if (i < 0) break; continue; }
+    if (c === '/' && text[i + 1] === '*') { i = text.indexOf('*/', i) + 1; continue; }
+    if (c === "'" || c === '"' || c === '`') {
+      const q = c;
+      for (i++; i < text.length; i++) {
+        if (text[i] === '\\') { i++; continue; }
+        if (text[i] === q) break;
+      }
+      continue;
+    }
+    if (c === '{') depth++;
+    else if (c === '}') { depth--; if (depth === 0) return i; }
+  }
+  throw new Error('unbalanced braces from ' + from);
+}
+
+/** Source of `function <name>(...) { ... }`, braces balanced. */
+function grabFunction(js, name) {
+  const at = js.indexOf(`function ${name}(`);
+  if (at < 0) throw new Error(`function ${name} not found in the editor`);
+  return js.slice(at, matchBrace(js, js.indexOf('{', js.indexOf(')', at))) + 1);
+}
+
+/** Source of a single-line `const <name> = ...;` declaration. */
+function grabConst(js, name) {
+  const m = new RegExp(`^\\s*const ${name}\\s*=.*$`, 'm').exec(js);
+  if (!m) throw new Error(`const ${name} not found in the editor`);
+  return m[0].trim();
+}
+
+module.exports = { APP, editorJs, matchBrace, grabFunction, grabConst };
diff --git a/tools/verify-all.sh b/tools/verify-all.sh
index cc0b939..29944f3 100755
--- a/tools/verify-all.sh
+++ b/tools/verify-all.sh
@@ -36,6 +36,8 @@ run() {
 
 run "codec corpus"                 python3 tools/gen-codec-fixtures.py --check
 run "editor codec vs corpus"       node    tools/verify-codec.js
+run "sampler oracle"               python3 tools/gen-sampler-fixtures.py --check
+run "editor sampler vs oracle"     node    tools/verify-sampler.js
 run "DSL prototype + seam metric"  python3 tools/dsl_demo.py
 run "router prompt examples"       python3 tools/verify-prompt.py
 run "map-scale sampling"           python3 tools/preview_prototype.py
diff --git a/tools/verify-behaviour.js b/tools/verify-behaviour.js
index 8da0467..ca8edd8 100755
--- a/tools/verify-behaviour.js
+++ b/tools/verify-behaviour.js
@@ -400,6 +400,7 @@ function previewTests() {
       `var doc={w:${W},h:${H},palette:[]},buf=new Uint8Array(${W * H * 4});`,
       `var pvBuf=new Uint8Array(${W * H * 4}),aFrame=0,lift=null;`,
       'function composite(){}',
+      'var pvMap=false;',          // the zoom ladder is the flat view's concern
       `var pvScale=${pvScale},pvTile=${pvTile};`,
       grabFunction('pvEff'), grabFunction('drawPreview'), 'drawPreview();',
     ].join('\n'));
diff --git a/tools/verify-codec.js b/tools/verify-codec.js
index 140cb20..c663ca6 100755
--- a/tools/verify-codec.js
+++ b/tools/verify-codec.js
@@ -20,6 +20,7 @@
 const fs = require('fs');
 const path = require('path');
 const vm = require('vm');
+const { editorJs, grabFunction } = require('./lib/extract');
 
 const ROOT = path.join(__dirname, '..');
 const APP = path.join(ROOT, 'app', 'patternfront.html');
@@ -31,36 +32,7 @@ if (!fs.existsSync(FIXTURES)) {
   process.exit(2);
 }
 
-const src = fs.readFileSync(APP, 'utf8');
-const js = [...src.matchAll(/<script>([\s\S]*?)<\/script>/g)].map(m => m[1]).join('\n');
-
-// Same extraction the behaviour suite uses: a backslash escapes the next
-// character, so `/\//g` is not mistaken for the start of a line comment.
-function matchBrace(text, from) {
-  let depth = 0;
-  for (let i = from; i < text.length; i++) {
-    const c = text[i];
-    if (c === '\\') { i++; continue; }
-    if (c === '/' && text[i + 1] === '/') { i = text.indexOf('\n', i); if (i < 0) break; continue; }
-    if (c === '/' && text[i + 1] === '*') { i = text.indexOf('*/', i) + 1; continue; }
-    if (c === "'" || c === '"' || c === '`') {
-      const q = c;
-      for (i++; i < text.length; i++) {
-        if (text[i] === '\\') { i++; continue; }
-        if (text[i] === q) break;
-      }
-      continue;
-    }
-    if (c === '{') depth++;
-    else if (c === '}') { depth--; if (depth === 0) return i; }
-  }
-  throw new Error('unbalanced braces from ' + from);
-}
-function grab(name) {
-  const at = js.indexOf(`function ${name}(`);
-  if (at < 0) throw new Error(`function ${name} not found in the editor`);
-  return js.slice(at, matchBrace(js, js.indexOf('{', js.indexOf(')', at))) + 1);
-}
+const js = editorJs();
 
 const ctx = {
   Uint8Array, Error,
@@ -68,7 +40,7 @@ const ctx = {
   atob: s => Buffer.from(s, 'base64').toString('binary'),
 };
 vm.createContext(ctx);
-vm.runInContext([grab('encodeOF'), grab('decodeOF')].join('\n'), ctx);
+vm.runInContext([grabFunction(js, 'encodeOF'), grabFunction(js, 'decodeOF')].join('\n'), ctx);
 const encodeOF = (w, h, s, b) => vm.runInContext('encodeOF', ctx)(w, h, s, b);
 const decodeOF = d => vm.runInContext('decodeOF', ctx)(d);
 
diff --git a/tools/verify-sampler.js b/tools/verify-sampler.js
new file mode 100644
index 0000000..084fd8e
--- /dev/null
+++ b/tools/verify-sampler.js
@@ -0,0 +1,138 @@
+#!/usr/bin/env node
+/*
+ * Run the EDITOR'S OWN map-scale sampler against the oracle.
+ *
+ * OpenFront paints a pattern onto territory in absolute world coordinates: a
+ * territory's appearance depends on where it sits on the map, not just on the
+ * bitmap. `tools/preview_prototype.py` establishes that rule and
+ * `tools/gen-sampler-fixtures.py` freezes it into tests/fixtures/sampler.json,
+ * checked there against an independently written oracle. Neither proves the
+ * shipping JavaScript agrees — and the JavaScript is what a user's preview
+ * actually goes through. This lifts the real functions out of the editor and
+ * runs them over every probe.
+ *
+ * The probes straddle the origin deliberately. JavaScript's `%` is a remainder
+ * whose sign follows the dividend, so `-1 % 4` is `-1` where a floor modulo
+ * gives `3`. A sampler using a bare `%` indexes before the start of the bit
+ * array as soon as the territory is panned left of the origin. That is the
+ * single most likely way for this port to be wrong, so more than half the
+ * probes are negative.
+ *
+ *   node tools/verify-sampler.js
+ */
+
+'use strict';
+const fs = require('fs');
+const path = require('path');
+const vm = require('vm');
+const { editorJs, grabFunction, grabConst } = require('./lib/extract');
+
+const ROOT = path.join(__dirname, '..');
+const FIXTURES = path.join(ROOT, 'tests', 'fixtures', 'sampler.json');
+
+if (!fs.existsSync(FIXTURES)) {
+  console.log(`missing ${FIXTURES}`);
+  console.log('run: python3 tools/gen-sampler-fixtures.py');
+  process.exit(2);
+}
+
+const js = editorJs();
+const ctx = {
+  Uint8Array, Error,
+  atob: s => Buffer.from(s, 'base64').toString('binary'),
+};
+vm.createContext(ctx);
+vm.runInContext([
+  grabFunction(js, 'decodeOF'),
+  grabConst(js, 'floorMod'),
+  grabFunction(js, 'ofPrimaryAt'),
+].join('\n'), ctx);
+
+const decodeOF = vm.runInContext('decodeOF', ctx);
+const ofPrimaryAt = vm.runInContext('ofPrimaryAt', ctx);
+const floorMod = vm.runInContext('floorMod', ctx);
+
+const corpus = JSON.parse(fs.readFileSync(FIXTURES, 'utf8'));
+const probes = corpus.probes;
+const failures = [];
+
+// The trap itself, stated as a check rather than left to the fixture to imply.
+if (floorMod(-1, 4) !== 3 || floorMod(-9, 4) !== 3 || floorMod(9, 4) !== 1) {
+  failures.push(`floorMod is a remainder, not a floor modulo: `
+              + `floorMod(-1,4)=${floorMod(-1, 4)} should be 3`);
+}
+
+let negativeProbes = 0;
+for (const [x, y] of probes) if (x < 0 || y < 0) negativeProbes++;
+
+const scales = new Set();
+for (const c of corpus.cases) {
+  let d;
+  try { d = decodeOF(c.patternData); }
+  catch (e) { failures.push(`${c.name}: decodeOF threw ${e.message}`); continue; }
+
+  if (d.w !== c.width || d.h !== c.height || d.scale !== c.scale) {
+    failures.push(`${c.name}: header ${d.w}x${d.h}@${d.scale} `
+                + `!= ${c.width}x${c.height}@${c.scale}`);
+    continue;
+  }
+
+  let wrong = 0, firstAt = null;
+  for (let i = 0; i < probes.length; i++) {
+    const got = ofPrimaryAt(d, probes[i][0], probes[i][1]) ? '1' : '0';
+    if (got !== c.expect[i]) {
+      if (firstAt === null) firstAt = probes[i];
+      wrong++;
+    }
+  }
+  if (wrong) {
+    failures.push(`${c.name}: ${wrong}/${probes.length} probes disagree, `
+                + `first at (${firstAt[0]},${firstAt[1]})`);
+    continue;
+  }
+  scales.add(c.scale);
+}
+
+// The property that makes this a *map* preview rather than a tiled one: where a
+// territory sits decides which part of the pattern lands on it. If sampling
+// ignored the offset, every territory would look identical and the whole view
+// would be a lie. A shift of one scaled period must be invisible; a shift of one
+// world tile must not be, for a pattern that has any structure at all.
+{
+  const structured = corpus.cases.filter(c => c.width > 2 && c.scale <= 3);
+  let sameUnderPeriod = 0, changedUnderTile = 0;
+  for (const c of structured) {
+    const d = decodeOF(c.patternData);
+    const periodX = d.w << d.scale;
+    const row = y => (x0) => {
+      let out = '';
+      for (let i = 0; i < 32; i++) out += ofPrimaryAt(d, x0 + i, y) ? '1' : '0';
+      return out;
+    };
+    if (row(3)(0) !== row(3)(periodX)) sameUnderPeriod++;
+    if (row(3)(0) !== row(3)(1)) changedUnderTile++;
+  }
+  if (sameUnderPeriod) {
+    failures.push(`${sameUnderPeriod} pattern(s) changed after shifting a full `
+                + `scaled period — the pattern is not tiling in world space`);
+  }
+  if (!changedUnderTile) {
+    failures.push('no pattern changed when shifted one world tile — sampling is '
+                + 'ignoring position, so every territory would look the same');
+  }
+  console.log(`  position matters: ${changedUnderTile}/${structured.length} `
+            + `patterns change under a one-tile shift, none under a full period`);
+}
+
+console.log(`${corpus.cases.length} patterns × ${probes.length} probes `
+          + `through the editor's own sampler`);
+console.log(`  scales ${[...scales].sort((a, b) => a - b).join(',')}  `
+          + `${negativeProbes} probes at negative world coordinates`);
+
+if (failures.length) {
+  console.log(`\n*** ${failures.length} FAILURE(S) ***`);
+  for (const f of failures) console.log(`    - ${f}`);
+  process.exit(1);
+}
+console.log('  the shipping sampler agrees with the oracle on every probe');
+console.log('ALL SAMPLER CHECKS PASSED');