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. sauceguardian
97
00:29.08
2. Kenolo353
98
00:35.01
3. 3328037
46
00:53.29
4. randomflyintaco
106
01:02.19
5. geyik
183
01:04.74
6. cugntear
33
01:06.33
7. qobi
225
01:08.53
8. Dorice
241
01:09.47
9. xzaxzaazx
95
01:22.60
10. Asirano
44
01:25.23
11. zooandroo
96
01:26.76
12. marbleeeee 01:31.26
13. HerrNoix 01:33.28
14. sixgs 01:34.05
15. thecymbalsguy 01:47.28
16. thost 01:49.98
17. burgie12 01:52.21
18. AlexanderIII 02:02.90
19. Jazka 02:08.29
20. ambiorix 02:13.56
This Week
1. sauceguardian
97
00:33.02
2. Kenolo353
98
00:37.20
3. randomflyintaco
106
01:02.19
4. qobi
225
01:08.53
5. zooandroo
96
02:02.07
6. AlexanderIII 02:02.90
7. drbop
39
02:45.10
8. CLAVDIVS
54
02:59.20
9. gorilla801 03:35.36
10. Korneel 03:55.88
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Today
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20.--- empty -----:--
MO3
1. Douglas Shamlin Jr.
691
00:18.49
2. Daiwie
85
00:26.99
3. lmsc5k
63
00:32.03
4. TashiroMiraki
215
00:32.76
5. numbrr
295
00:32.84
6. vowels
214
00:34.09
7. sauceguardian
97
00:34.65
8. home
186
00:36.38
9. Tunnel Keeper
62
00:37.66
10. siri
40
00:37.75
AO5
1. Douglas Shamlin Jr.
691
00:19.11
2. Daiwie
85
00:28.02
3. numbrr
295
00:33.90
4. TashiroMiraki
215
00:34.01
5. vowels
214
00:34.10
6. lmsc5k
63
00:34.60
7. sauceguardian
97
00:35.33
8. home
186
00:37.94
9. Tunnel Keeper
62
00:38.89
10. qqwref
259
00:39.59
AO12
1. Douglas Shamlin Jr.
691
00:19.90
2. Daiwie
85
00:29.65
3. TashiroMiraki
215
00:35.62
4. lmsc5k
63
00:37.66
5. vowels
214
00:37.84
6. sauceguardian
97
00:38.49
7. numbrr
295
00:39.34
8. Tunnel Keeper
62
00:41.99
9. MEGACHEESE
75
00:42.48
10. siri
40
00:42.55
Robots / programmatic solversinfo  
1.GrodGruffalo00:57.455
2.lucaskao03:28.523
3.tari77
1
04:04.574

* 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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2025-06-15 12:21:30

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