Shakashaka


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Special thanks to Aevrin for the translation

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
142
00:16.54
2. Douglas Shamlin Jr.
709
03:04.46
3. Daiwie
89
04:03.81
4. Tunnel Keeper
64
04:52.46
5. tdeck
78
05:10.60
6. home
192
05:20.61
7. TashiroMiraki
216
05:34.59
8. moonjady
347
06:22.66
9. summernight
215
06:35.22
10. sauceguardian
100
06:41.20
AO5
1. Douglas Shamlin Jr.
709
03:07.73
2.anonymous
142
03:24.08
3. Daiwie
89
04:03.81
4. Tunnel Keeper
64
04:57.01
5. tdeck
78
05:11.55
6. home
192
05:28.63
7. TashiroMiraki
216
05:40.26
8. moonjady
347
06:24.31
9. sauceguardian
100
06:43.82
10. summernight
215
06:48.27
AO12
1. Douglas Shamlin Jr.
709
03:15.21
2. Daiwie
89
04:29.90
3. Tunnel Keeper
64
05:12.77
4. home
192
06:02.07
5.anonymous
142
06:14.77
6. TashiroMiraki
216
06:43.97
7. summernight
215
06:57.78
8. moonjady
347
07:10.16
9. Kenolo353
110
07:40.14
10. sauceguardian
100
07:44.53
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.
You need to be logged in to track your averages


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2025-09-15 20:10:23

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