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
1. TashiroMiraki
172
01:43.97
2. lmsc5k
27
02:10.32
3. geono
54
02:22.22
4. Kenolo353
74
02:32.37
5. Dylexmus 02:55.29
6. MoleculeKing
41
03:13.78
7. ahhhhhvvvvvv
36
03:23.66
8. Dorice
190
03:38.12
9. sebby64
19
04:14.18
10. a4901478731 04:19.36
11. Aqua Freeway
73
04:27.32
12. Savia
57
04:27.44
13. randomflyintaco
17
04:27.93
14. Goomy
34
04:36.91
15. 草莓熊
20
04:40.85
16. AzuReVaPouR 04:47.70
17. ivel153 04:51.01
18. Nanamahere 05:18.55
19. NanogramFreak 05:25.74
20. ihaveit 05:43.30
This Week
1. TashiroMiraki
172
01:43.97
2. Kenolo353
74
02:48.09
3. MoleculeKing
41
03:17.12
4. Dorice
190
04:04.01
5. 草莓熊
20
04:40.85
6. ivel153 04:51.01
7. Nanamahere 05:18.55
8. ihaveit 05:50.16
9. NanogramFreak 05:50.68
10. Bhaskar 08:15.46
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Today
1. ivel153 04:51.01
2. Nanamahere 05:18.55
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MO3
1. Douglas Shamlin Jr.
524
01:01.56
2. home
147
01:44.80
3. GreyPotato
46
01:47.45
4. vowels
200
01:50.31
5. TashiroMiraki
172
01:54.31
6. qqwref
258
02:02.46
7. MEGACHEESE
62
02:03.57
8. lmsc5k
27
02:14.35
9. NoahR
221
02:20.59
10. 2015YINJ02
139
02:21.38
AO5
1. Douglas Shamlin Jr.
524
01:01.56
2. home
147
01:48.61
3. GreyPotato
46
01:49.96
4. vowels
200
01:50.31
5. TashiroMiraki
172
01:58.05
6. qqwref
258
02:04.63
7. MEGACHEESE
62
02:08.94
8. lmsc5k
27
02:20.01
9. NoahR
221
02:21.32
10. TCL
239
02:27.68
AO12
1. Douglas Shamlin Jr.
524
01:05.53
2. home
147
01:56.24
3. GreyPotato
46
01:59.04
4. vowels
200
01:59.93
5. TashiroMiraki
172
02:03.37
6. qqwref
258
02:15.49
7. MEGACHEESE
62
02:21.18
8. NoahR
221
02:26.96
9. lmsc5k
27
02:29.73
10. TCL
239
02:34.29
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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2023-12-03 20:23:07

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