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
131
00:33.09
2.anonymous
80
02:04.12
3. tdeck
78
02:13.71
4. Douglas Shamlin Jr.
692
05:22.72
5. Daiwie
86
06:43.20
6. Tunnel Keeper
63
08:16.38
7. TashiroMiraki
215
08:30.44
8. home
187
09:33.73
9. summernight
210
11:10.93
10. a979453451
184
11:22.66
AO5
1.anonymous
131
00:36.83
2.anonymous
80
02:04.12
3. tdeck
78
04:55.72
4. Douglas Shamlin Jr.
692
05:28.04
5. Daiwie
86
06:58.19
6. Tunnel Keeper
63
08:27.57
7. TashiroMiraki
215
08:53.29
8. home
187
09:46.15
9. summernight
210
11:35.51
10. moonjady
344
11:43.03
AO12
1. Douglas Shamlin Jr.
692
06:10.22
2. Daiwie
86
08:31.28
3. Tunnel Keeper
63
09:29.71
4. TashiroMiraki
215
10:30.58
5. summernight
210
13:19.18
6.anonymous
131
13:27.59
7. qqwref
259
13:33.70
8. 7k enjoyer
194
14:10.26
9. brcopeland
208
14:22.82
10. Kenolo353
101
14:53.36
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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2025-07-04 01:09:37

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