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. MadraMor
134
00:54.82
2. TheSunBro
31
01:00.34
3. homer 01:00.79
4. Dorice
205
01:00.91
5. Tunnel Keeper
16
01:01.79
6. randomflyintaco
50
01:05.77
7. qobi
190
01:18.50
8. AlexanderIII 01:30.50
9. Harry_Canyon
95
01:34.00
10. CosmX
28
01:40.33
11. ambiorix 02:04.86
12. crema
89
02:11.34
13. gzunzu
41
02:23.58
14. Truth-or-Peace
92
02:33.84
15. Tartempion 02:47.15
16. SunnyKid
69
03:39.93
17. Joris Brouwer
24
05:51.99
18. FuelTheBurn 09:05.85
19. metskaru 19:49.95
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This Week
1. Tunnel Keeper
16
01:01.79
2. randomflyintaco
50
01:14.25
3. qobi
190
01:20.81
4. Dorice
205
01:25.98
5. AlexanderIII 01:30.50
6. Harry_Canyon
95
01:34.00
7. crema
89
02:11.34
8. Truth-or-Peace
92
02:33.84
9. Tartempion 02:47.15
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Today
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MO3
1. Douglas Shamlin Jr.
575
00:18.49
2. TashiroMiraki
193
00:32.76
3. vowels
202
00:34.09
4. lmsc5k
41
00:34.69
5. home
155
00:36.38
6. qqwref
259
00:38.64
7. MEGACHEESE
64
00:38.65
8. numbrr
232
00:42.01
9. NoahR
226
00:43.22
10. jaybrainer
182
00:43.47
AO5
1. Douglas Shamlin Jr.
575
00:19.11
2. TashiroMiraki
193
00:34.01
3. vowels
202
00:34.10
4. lmsc5k
41
00:37.36
5. home
155
00:37.94
6. qqwref
259
00:39.59
7. MEGACHEESE
64
00:39.95
8. numbrr
232
00:41.21
9. 2015YINJ02
140
00:43.70
10. NoahR
226
00:44.84
AO12
1. Douglas Shamlin Jr.
575
00:19.90
2. TashiroMiraki
193
00:35.62
3. vowels
202
00:37.84
4. lmsc5k
41
00:41.77
5. MEGACHEESE
64
00:42.48
6. qqwref
259
00:44.68
7. NoahR
226
00:46.11
8. home
155
00:46.24
9. gregg__
22
00:48.05
10. numbrr
232
00:48.33
Robots / programmatic solversinfo  
1.GrodGruffalo00:57.455
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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 03:45:19

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