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. Douglas Shamlin Jr.
393
00:05.50
2. TashiroMiraki
123
00:10.23
3. Siempie
83
00:13.43
4. kennethaw88
55
00:18.12
5. Jaiven Eli
25
00:19.71
6. frogs
69
00:19.75
7. RatKing
48
00:25.41
8. takver 00:26.55
9. Make
131
00:28.19
10. kimchee
10
00:29.15
11. Dorice
127
00:33.98
12. nickyeatman 00:42.51
13. Jaiven Eli 20
5
00:43.67
14. Xabi706920
31
00:44.31
15. passngrin 00:53.25
16. ambiorix 00:54.92
17. DrVince
43
01:04.95
18. lanshangfaren
25
01:14.29
19. profTomi 01:27.76
20. brac37 01:34.43
This Week
1. RatKing
48
00:25.41
2. takver 00:26.55
3. passngrin 01:04.90
4. profTomi 01:27.76
5. brac37 01:34.43
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Today
1. takver 00:28.20
2. brac37 01:34.43
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MO3
1. Douglas Shamlin Jr.
393
00:06.79
2. TashiroMiraki
123
00:13.79
3. vowels
137
00:14.30
4. NoahR
173
00:15.03
5. Siempie
83
00:15.56
6. sfumato
145
00:17.82
7. kennethaw88
55
00:19.26
8. qqwref
153
00:20.00
9. Kenolo353
44
00:21.27
10. numbrr
106
00:21.62
AO5
1. Douglas Shamlin Jr.
393
00:07.62
2. vowels
137
00:14.70
3. TashiroMiraki
123
00:14.89
4. NoahR
173
00:16.34
5. Siempie
83
00:16.47
6. sfumato
145
00:18.60
7. kennethaw88
55
00:19.66
8. numbrr
106
00:21.65
9. qqwref
153
00:21.98
10. Kenolo353
44
00:22.46
AO12
1. Douglas Shamlin Jr.
393
00:08.64
2. vowels
137
00:16.24
3. TashiroMiraki
123
00:16.32
4. NoahR
173
00:17.23
5. Siempie
83
00:17.89
6. kennethaw88
55
00:21.46
7. sfumato
145
00:21.82
8. numbrr
106
00:23.86
9. Kenolo353
44
00:24.24
10. froz3n_
45
00:24.99
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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2022-06-29 04:10:00

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