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

New Puzzle
This Month
1. sauceguardian
117
00:51.62
2. RaiT
123
01:27.08
3. Dorice
274
01:58.25
4. qobi
243
02:00.70
5. MushroomsCavern
134
02:01.57
6. randomflyintaco
151
02:39.06
7. jasoneb
74
02:46.08
8. miloš petronijević
65
03:19.77
9. Quo
26
03:27.36
10. SakyhyKaren
18
03:44.66
11. oddsocks 04:04.52
12. AllenChristina214
42
04:06.14
13. gorilla801
1
04:31.38
14. LrCaWm 06:39.54
15. 雷仙
67
09:47.55
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This Week
1. sauceguardian
117
00:53.96
2. Dorice
274
01:58.25
3. qobi
243
02:52.94
4. LrCaWm 06:39.54
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Today
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MO3
1. Douglas Shamlin Jr.
723
00:36.51
2. Daiwie
104
00:48.09
3. sauceguardian
117
00:54.49
4. home
218
00:55.15
5. TashiroMiraki
234
00:55.98
6. numbrr
325
00:57.92
7. Tunnel Keeper
72
00:59.85
8. vowels
216
01:00.51
9. lmsc5k
68
01:05.28
10. Kenolo353
123
01:07.18
AO5
1. Douglas Shamlin Jr.
723
00:38.16
2. Daiwie
104
00:48.49
3. home
218
00:56.02
4. TashiroMiraki
234
00:57.30
5. sauceguardian
117
00:59.47
6. Tunnel Keeper
72
01:00.13
7. numbrr
325
01:00.68
8. vowels
216
01:05.16
9. lmsc5k
68
01:06.46
10. Kenolo353
123
01:10.99
AO12
1. Douglas Shamlin Jr.
723
00:39.23
2. Daiwie
104
00:57.33
3. home
218
00:59.38
4. TashiroMiraki
234
01:01.20
5. sauceguardian
117
01:02.23
6. Tunnel Keeper
72
01:02.54
7. numbrr
325
01:07.40
8. vowels
216
01:08.91
9. lmsc5k
68
01:11.49
10. Kenolo353
123
01:16.27
Robots / programmatic solversinfo  
1.Paul Bismuth
1
00:15.743
2.kanaderu
1
04:45.694
3.dansto76510:53.339

* 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.
You need to be logged in to track your averages

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