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. Douglas Shamlin Jr.
713
01:35.95
2.anonymous
148
01:47.84
3. Daiwie
91
01:58.51
4. Tunnel Keeper
65
02:37.47
5. home
192
02:41.39
6. TashiroMiraki
217
02:45.09
7. summernight
222
03:05.56
8. moonjady
348
03:07.39
9. sauceguardian
101
03:16.00
10. Kenolo353
112
03:18.11
AO5
1. Douglas Shamlin Jr.
713
01:36.63
2.anonymous
148
01:48.53
3. Daiwie
91
02:02.65
4. Tunnel Keeper
65
02:39.35
5. home
192
02:44.55
6. TashiroMiraki
217
02:53.64
7. summernight
222
03:08.11
8. Kenolo353
112
03:19.61
9. moonjady
348
03:20.72
10. sauceguardian
101
03:24.62
AO12
1. Douglas Shamlin Jr.
713
01:41.47
2. Daiwie
91
02:11.84
3. Tunnel Keeper
65
02:44.83
4. home
192
02:53.67
5. TashiroMiraki
217
02:59.35
6. summernight
222
03:15.40
7. moonjady
348
03:31.50
8. sauceguardian
101
03:33.18
9. Kenolo353
112
03:37.64
10. gregg__
80
04:01.23
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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2025-10-22 01:59:37

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