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. frogs
69
01:56.45
2. Bluegill16384
79
02:08.29
3. kimchee
10
02:09.42
4. takver 02:35.60
5. MadraMor
96
02:52.84
6. Dorice
127
02:52.99
7. SliverHawk's sweethe...
102
02:54.05
8. randomflyintaco 03:39.48
9. choroba 04:15.65
10. garbage
92
10:10.58
11. profTomi 10:11.00
12. dreaded
16
10:57.18
13. Nanli 13:38.21
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MO3
1. Douglas Shamlin Jr.
393
00:38.61
2. TashiroMiraki
123
01:09.53
3. vowels
137
01:21.57
4. NoahR
173
01:26.17
5. Kenolo353
44
01:37.72
6. kennethaw88
55
01:40.20
7. PuzzleMaestro
45
01:40.74
8. sfumato
145
01:56.27
9. Bluegill16384
79
01:56.79
10. punk
53
01:59.06
AO5
1. Douglas Shamlin Jr.
393
00:38.16
2. TashiroMiraki
123
01:17.57
3. vowels
137
01:25.98
4. NoahR
173
01:27.05
5. Kenolo353
44
01:37.72
6. kennethaw88
55
01:42.24
7. Bluegill16384
79
01:56.79
8. punk
53
02:00.20
9. ecto
53
02:04.24
10. sfumato
145
02:06.96
AO12
1. Douglas Shamlin Jr.
393
00:40.30
2. TashiroMiraki
123
01:20.63
3. vowels
137
01:28.90
4. NoahR
173
01:33.52
5. kennethaw88
55
01:44.32
6. Kenolo353
44
01:45.35
7. Bluegill16384
79
02:13.52
8. sfumato
145
02:17.01
9. Joseph Leo Selinger
133
02:19.19
10. Fastfaxer
116
02:28.89
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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2022-06-29 04:22:43

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