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. TashiroMiraki
118
00:01.34
2. vowels
131
00:01.40
3. Jaiven Eli
17
00:01.90
4. NaveenR
6
00:02.38
5. boru
16
00:02.49
6. nabifan
14
00:02.52
7. kennethaw88
40
00:02.71
8. zfj8888
67
00:02.78
9. Poochie 00:02.92
10. Sfumatp
13
00:03.20
11. Naveen Rehill
9
00:03.21
12. qqwref
128
00:03.36
13. newbieJ 00:03.53
14. SliverHawk's sweethe...
89
00:03.79
15. Andy100
76
00:03.80
16. 3756081
3
00:04.09
17. lingxiao 00:04.15
18. Hwxyz
21
00:04.31
19. L.W.
14
00:04.32
20. SliverHawk
63
00:04.35
This Week
1. boru
16
00:02.49
2. Jaiven Eli
17
00:02.85
3. newbieJ 00:03.53
4. SliverHawk's sweethe...
89
00:03.79
5. 3756081
3
00:04.09
6. kennethaw88
40
00:04.99
7. 220284 00:05.61
8. azngenius 00:05.69
9. Jens
18
00:06.26
10. Dorice
122
00:07.29
11. rtj
160
00:07.80
12. WLF117171711 00:10.74
13. Tartempion 00:11.66
14. jorah
18
00:11.69
15. fr0ggy 00:14.03
16. Daniil Kozlov
36
00:16.06
17. angelrose971
45
00:16.26
18. peha13
109
00:16.85
19. Filipgo 00:27.55
20. lanshangfaren
20
00:31.52
Today
1. lanshangfaren
20
00:49.56
2.--- empty -----:--
3.--- empty -----:--
4.--- empty -----:--
5.--- empty -----:--
6.--- empty -----:--
7.--- empty -----:--
8.--- empty -----:--
9.--- empty -----:--
10.--- empty -----:--
11.--- empty -----:--
12.--- empty -----:--
13.--- empty -----:--
14.--- empty -----:--
15.--- empty -----:--
16.--- empty -----:--
17.--- empty -----:--
18.--- empty -----:--
19.--- empty -----:--
20.--- empty -----:--
MO3
1. Douglas Shamlin Jr.
381
00:01.28
2. vowels
131
00:01.80
3. Jaiven Eli
17
00:02.30
3. sfumato
144
00:02.30
5. qqwref
128
00:02.34
6. TashiroMiraki
118
00:02.43
7. Eli Seeliger
7
00:02.65
8. NoahR
165
00:02.72
9. numbrr
98
00:02.85
10. froz3n_
45
00:03.32
AO5
1. Douglas Shamlin Jr.
381
00:01.37
2. vowels
131
00:01.93
3. sfumato
144
00:02.41
4. TashiroMiraki
118
00:02.50
5. qqwref
128
00:02.52
6. NoahR
165
00:02.81
7. Jaiven Eli
17
00:02.94
8. numbrr
98
00:03.11
9. Eli Seeliger
7
00:03.65
10. zfj8888
67
00:03.78
AO12
1. Douglas Shamlin Jr.
381
00:01.54
2. vowels
131
00:02.46
3. TashiroMiraki
118
00:03.06
4. qqwref
128
00:03.12
4. sfumato
144
00:03.12
6. NoahR
165
00:03.30
7. Jaiven Eli
17
00:03.69
8. numbrr
98
00:03.92
9. zfj8888
67
00:04.02
10. Siempie
81
00:04.32
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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2022-05-20 06:34:32

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