Shakashaka


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Special thanks to Aevrin for the translation

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°

Video Tutorial
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Shakashaka


5x5 Shakashaka | 10x10 Shakashaka | 15x15 Shakashaka | 20x20 Shakashaka | 25x25 Shakashaka

This Month
1. sauceguardian
96
00:01.19
2. cugntear
33
00:01.28
3. marbleeeee 00:01.63
4. grimmgirlfandom
148
00:01.80
5. Kenolo353
96
00:02.08
6. Dorice
241
00:02.62
7. lmsc5k
63
00:02.80
8. TQ-V85Sn
84
00:02.94
9. xzaxzaazx
94
00:03.07
10. Polaris.
13
00:03.29
11. YoungNam 00:03.69
12. leonleonidis
48
00:03.85
13. randomflyintaco
105
00:03.96
14. qobi
224
00:04.03
15. thost 00:04.48
16. KarasuKarasu 00:05.44
17. zooandroo
95
00:05.70
18. thecymbalsguy 00:05.92
19. Asirano
43
00:05.94
20. axolotl5
15
00:06.15
This Week
1. sauceguardian
96
00:01.19
2. marbleeeee 00:01.63
3. Kenolo353
96
00:02.11
4. YoungNam 00:03.69
5. randomflyintaco
105
00:03.96
6. qobi
224
00:04.76
7. lukingood
3
00:07.24
8. Canon
19
00:09.25
9. Korneel 00:13.04
10. CLAVDIVS
53
00:15.06
11. gorilla801 00:15.12
12. wellwhynot
66
00:18.35
13. KETJAK
24
00:18.83
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Today
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MO3
1. Douglas Shamlin Jr.
691
00:00.90
2. vowels
214
00:01.07
3. jaybrainer
232
00:01.27
4. numbrr
294
00:01.60
5. join-discord
243
00:01.73
6. qqwref
259
00:01.75
7. sauceguardian
96
00:01.77
8. EC31
23
00:01.79
9. sfumato
166
00:01.84
10. lmsc5k
63
00:01.91
AO5
1. Douglas Shamlin Jr.
691
00:00.96
2. vowels
214
00:01.44
3. jaybrainer
232
00:01.56
4. numbrr
294
00:01.73
5. qqwref
259
00:01.87
6. join-discord
243
00:01.90
7. lmsc5k
63
00:01.92
8. sauceguardian
96
00:01.94
9. Daiwie
85
00:01.97
10. sfumato
166
00:02.01
AO12
1. Douglas Shamlin Jr.
691
00:01.18
2. vowels
214
00:01.81
3. jaybrainer
232
00:02.06
4. numbrr
294
00:02.16
5. join-discord
243
00:02.31
6. sauceguardian
96
00:02.39
7. qqwref
259
00:02.40
8. lmsc5k
63
00:02.49
8. Daiwie
85
00:02.49
10. sfumato
166
00:02.51
Robots / programmatic solversinfo  
1.kanaderu
1
00:03.677
2.tari77
1
00:11.623
3.sysd
1
00:12.419

* 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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2025-06-07 06:00:16

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