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. GreyPotato
46
01:42.84
2. eff
34
02:57.80
3. mart0o
35
03:03.36
4. Dorice
205
03:26.45
5. randomflyintaco
50
03:27.26
6. Tunnel Keeper
16
03:42.67
7. JiuMu
32
03:42.70
8. ComPhyPark
24
03:48.10
9. Goomy
47
03:55.78
10. qobi
190
04:22.83
11. NanogramFreak 05:01.49
12. ihaveit 05:07.76
13. Harry_Canyon
95
05:10.75
14. paul4722
19
05:11.56
15. AndreyL 05:31.84
16. Kuzuyu 06:01.25
17. punkunking 06:27.12
18. c-#8824
51
06:33.42
19. Misipus
13
06:47.53
20. rissavina
15
07:16.46
This Week
1. Tunnel Keeper
16
03:42.67
2. Dorice
205
03:42.74
3. randomflyintaco
50
03:57.91
4. qobi
190
04:26.49
5. NanogramFreak 05:55.04
6. Harry_Canyon
95
06:06.73
7. Bhaskar 07:37.99
8. Woodcharcoal
13
24:54.00
9. nassis 1:02:04.51
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Today
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MO3
1. Douglas Shamlin Jr.
575
01:01.56
2. TashiroMiraki
193
01:40.69
3. home
155
01:44.80
4. GreyPotato
46
01:47.45
5. vowels
202
01:50.31
6. lmsc5k
41
02:01.72
7. qqwref
259
02:02.46
8. MEGACHEESE
64
02:03.57
9. summernight
151
02:16.96
10. geono
61
02:17.61
AO5
1. Douglas Shamlin Jr.
575
01:01.56
2. TashiroMiraki
193
01:43.47
3. home
155
01:48.61
4. GreyPotato
46
01:49.96
5. vowels
202
01:50.31
6. lmsc5k
41
02:02.84
7. qqwref
259
02:04.63
8. MEGACHEESE
64
02:08.94
9. summernight
151
02:15.72
10. NoahR
226
02:21.32
AO12
1. Douglas Shamlin Jr.
575
01:05.53
2. TashiroMiraki
193
01:48.06
3. home
155
01:56.24
4. GreyPotato
46
01:59.04
5. vowels
202
01:59.93
6. qqwref
259
02:15.49
7. lmsc5k
41
02:16.92
8. MEGACHEESE
64
02:21.18
9. NoahR
226
02:26.96
10. geono
61
02:29.73
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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2024-04-18 04:00:53

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