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
132
00:16.54
2. Douglas Shamlin Jr.
693
03:04.46
3. Daiwie
86
04:03.81
4. Tunnel Keeper
63
05:03.48
5. tdeck
78
05:10.60
6. home
188
05:20.61
7. TashiroMiraki
215
05:34.59
8. moonjady
344
06:22.66
9. summernight
211
06:35.22
10. sauceguardian
97
06:41.20
AO5
1. Douglas Shamlin Jr.
693
03:14.09
2.anonymous
132
03:24.08
3. Daiwie
86
04:03.81
4. Tunnel Keeper
63
05:09.97
5. tdeck
78
05:11.55
6. home
188
05:28.63
7. TashiroMiraki
215
05:40.26
8. moonjady
344
06:24.31
9. summernight
211
06:48.27
10. sauceguardian
97
06:48.59
AO12
1. Douglas Shamlin Jr.
693
03:15.21
2. Daiwie
86
04:29.90
3. Tunnel Keeper
63
05:20.38
4. home
188
06:03.28
5.anonymous
132
06:14.77
6. TashiroMiraki
215
06:43.97
7. summernight
211
06:57.78
8. moonjady
344
07:10.16
9. sauceguardian
97
07:44.53
10. Kenolo353
102
07:50.60
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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2025-07-13 12:01:59

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