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.WinstonWW
2
00:02.29
2.million
48
00:02.75
3.Kenolo353
42
00:03.03
4.finspac
47
00:03.11
5.Ada Westerberg
5
00:03.20
6.IceRune
20
00:03.47
7.sfumato
113
00:04.11
8.Day
6
00:04.90
9.MadraMor
85
00:04.92
10.xTheBHox
33
00:05.10
11.Adam8472
16
00:05.32
12.poepjes
21
00:05.35
13.RomanQrr00:05.61
14.punk
40
00:05.72
15.niconiconi~
11
00:05.79
16.Daanbe
29
00:05.90
17.Victorious1
49
00:05.92
18.Mimidashi
22
00:05.93
19.Houk13
7
00:05.94
20.bearn
66
00:06.23
This Week
1.WinstonWW
2
00:02.75
2.Kenolo353
42
00:03.03
3.Ada Westerberg
5
00:03.20
4.Mimidashi
22
00:05.93
5.CrankyDay
29
00:06.73
6.RomanQrr00:07.19
7.Martin Råvanj
15
00:07.59
8.passngrin00:09.47
9.Corallystarfish
51
00:11.48
9.Leonhard Euler
6
00:11.48
11.Tartempion00:13.75
12.Aaron McNulty
13
00:14.93
13.grimdorkPash00:15.03
14.AlexanderIII00:17.34
15.cywind
12
00:17.67
16.Prescelto00:20.82
17.oyatugaman
6
00:23.42
18.Shaogong
10
00:40.13
19.peha13
86
00:42.09
20.rob69
4
00:42.73
Today
1.Kenolo353
42
00:04.03
2.WinstonWW
2
00:06.32
3.oyatugaman
6
00:23.42
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.anonymous
292
00:01.43
2.sfumato
113
00:03.00
3.froz3n_
42
00:03.32
4.million
48
00:03.42
5.zfj8888
56
00:03.52
6.punk
40
00:03.67
7.ThotDestroyer
61
00:04.25
8.NoahR
123
00:04.31
9.Fastfaxer
93
00:04.57
10.anonymous
45
00:04.72
AO5
1.anonymous
292
00:01.52
2.zfj8888
56
00:03.78
3.froz3n_
42
00:03.79
4.million
48
00:03.89
5.punk
40
00:04.06
6.NoahR
123
00:04.31
7.ThotDestroyer
61
00:04.33
8.Fastfaxer
93
00:04.93
9.sfumato
113
00:04.94
10.Kenolo353
42
00:04.96
AO12
1.anonymous
292
00:02.14
2.zfj8888
56
00:04.02
3.million
48
00:04.36
4.punk
40
00:04.56
5.froz3n_
42
00:04.74
6.ThotDestroyer
61
00:05.16
7.NoahR
123
00:05.26
8.Kenolo353
42
00:05.47
9.Fastfaxer
93
00:05.60
10.finspac
47
00:05.69
Robots / programmatic solversinfo  
1.--- empty -----:--
2.--- empty -----:--
3.--- empty -----:--

* 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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2021-12-04 19:00:36

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