Shakashaka


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Shakashaka (Proof of Quilt) is a logic puzzle with simple rules and challenging solutions.

The rules are simple. Shakashaka is played on a rectangular grid. The grid has both black cells and white cells in it.
The objective is to place black triangles in the white cell in such a way so that they form white rectangular (or square) areas.
- The triangles are right angled and occupy half of the white square divided diagonally.
- You can place triangles only in white cells
- The numbers in the black cells indicate how many triangles are adjacent, vertically and horizontally.
- The white rectangles can be either straight or rotated at 45°

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Shakashaka


5x5 Shakashaka | 10x10 Shakashaka | 15x15 Shakashaka | 20x20 Shakashaka | 25x25 Shakashaka

This Month
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MO3
1.anonymous
165
00:16.54
2. Douglas Shamlin Jr.
718
03:04.46
3. Daiwie
97
03:49.91
4.anonymous
34
04:41.76
5. Tunnel Keeper
69
04:43.40
6. home
206
05:00.06
7. tdeck
80
05:10.60
8. TashiroMiraki
220
05:34.59
9. Kenolo353
120
06:16.33
10. moonjady
353
06:22.66
AO5
1. Douglas Shamlin Jr.
718
03:07.73
2.anonymous
165
03:24.08
3. Daiwie
97
04:03.63
4. Tunnel Keeper
69
04:47.66
5. tdeck
80
05:11.55
6. home
206
05:14.78
7. TashiroMiraki
220
05:40.26
8. Kenolo353
120
06:19.02
9. moonjady
353
06:24.31
10. sauceguardian
105
06:43.82
AO12
1. Douglas Shamlin Jr.
718
03:15.21
2. Daiwie
97
04:13.34
3. Tunnel Keeper
69
05:02.71
4. home
206
05:24.82
5.anonymous
165
06:14.77
6. TashiroMiraki
220
06:43.97
7. Kenolo353
120
06:45.27
8. summernight
231
06:57.78
9. moonjady
353
07:10.16
10. linmomotw
47
07:37.57
Robots / programmatic solversinfo  
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* MO3 - Mean of 3. The average of 3 consecutive times.
AO5 - Average of 5. The average of 5 consecutive times ignoring the highest and the lowest.
AO12 - Average of 12. The average of 12 consecutive times ignoring the highest and the lowest.
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2026-03-17 13:03:20

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