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. Kenolo353
123
01:02.66
2. AnonyMinor
82
01:51.16
3. knmidorika
58
02:10.25
4. shiningyang
10
02:17.42
5. qobi
237
02:21.97
6. FishingPanda 02:26.93
7. WYJ
78
02:27.19
8. SLinkTechInc
2
02:40.90
9. SakyhyKaren 03:08.05
10. Odenzon
32
03:15.34
11. e74yp8
10
03:52.91
12. oddsocks 04:16.93
13. gorilla801
1
04:25.68
14. Kutner17
155
04:28.10
15. BlueBumblebee
19
04:52.05
16. daisyisaflower
1
04:59.64
17. yosiaki
109
06:48.81
18. xc0xupx
41
10:20.72
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This Week
1. shiningyang
10
02:17.42
2. qobi
237
02:28.58
3. SLinkTechInc
2
02:40.90
4. BlueBumblebee
19
04:52.05
5. yosiaki
109
08:54.70
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Today
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MO3
1. Douglas Shamlin Jr.
720
00:36.51
2. Daiwie
101
00:48.09
3. home
213
00:55.15
4. TashiroMiraki
226
00:55.98
5. numbrr
320
00:57.92
6. Tunnel Keeper
70
00:59.85
7. vowels
216
01:00.51
8. lmsc5k
67
01:05.28
9. Kenolo353
123
01:07.18
10. sauceguardian
106
01:12.38
AO5
1. Douglas Shamlin Jr.
720
00:38.16
2. Daiwie
101
00:48.49
3. home
213
00:56.02
4. TashiroMiraki
226
00:57.30
5. Tunnel Keeper
70
01:00.13
6. numbrr
320
01:00.68
7. vowels
216
01:05.16
8. lmsc5k
67
01:06.46
9. Kenolo353
123
01:10.99
10. sauceguardian
106
01:13.67
AO12
1. Douglas Shamlin Jr.
720
00:39.23
2. Daiwie
101
00:57.33
3. home
213
00:59.38
4. TashiroMiraki
226
01:01.20
5. Tunnel Keeper
70
01:02.54
6. numbrr
320
01:07.40
7. vowels
216
01:08.91
8. lmsc5k
67
01:11.49
9. Kenolo353
123
01:16.27
10. sauceguardian
106
01:16.56
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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