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

This Month
1. sauceguardian
89
00:01.16
2. lmsc5k
56
00:01.31
3. EC31
23
00:01.55
4. YetiDumb
68
00:01.56
5. siri
23
00:02.10
6. nrnerfguy
16
00:02.66
7. Schlamph 00:02.89
8. Kenolo353
84
00:02.93
9. sisi59
65
00:03.04
10. Hwxyz
30
00:03.28
11. THE RIZZARD OF OZ
29
00:03.30
11. MadraMor
141
00:03.30
13. jupilogy
75
00:03.44
14. Dorice
222
00:03.92
15. qobi
204
00:04.59
16. randomflyintaco
83
00:04.66
17. aequidens
226
00:04.67
18. beznickowy 00:04.90
19. ianianian605 00:05.22
20. Korneel 00:06.64
This Week
1. YetiDumb
68
00:01.56
2. siri
23
00:02.10
3. Kenolo353
84
00:02.93
4. aequidens
226
00:04.67
5. ianianian605 00:05.22
6. Dorice
222
00:06.29
7. Korneel 00:06.64
8. AlexanderIII 00:07.20
9. randomflyintaco
83
00:07.36
10. 0st30p0r0s1s
22
00:07.79
11. geyik
165
00:08.79
12. sloppc1 00:14.67
13. CLAVDIVS
16
00:14.72
14. LKY928261
33
00:16.92
15. 황해찬
6
00:48.40
16. RosemaryW 01:05.89
17. Hashibrown 24d 20:31:23.64
18.--- empty -----:--
19.--- empty -----:--
20.--- empty -----:--
Today
1. Kenolo353
84
00:02.93
2. AlexanderIII 00:07.20
3. Korneel 00:09.15
4. CLAVDIVS
16
00:19.58
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.
649
00:00.94
2. vowels
214
00:01.07
3. jaybrainer
205
00:01.37
4. numbrr
263
00:01.60
5. k3soju
219
00:01.73
6. qqwref
259
00:01.75
7. EC31
23
00:01.79
8. sfumato
164
00:01.84
9. sauceguardian
89
00:01.89
10. lmsc5k
56
00:01.91
AO5
1. Douglas Shamlin Jr.
649
00:01.02
2. vowels
214
00:01.44
3. jaybrainer
205
00:01.59
4. numbrr
263
00:01.73
5. qqwref
259
00:01.87
6. k3soju
219
00:01.90
7. lmsc5k
56
00:01.92
8. sfumato
164
00:02.01
9. EC31
23
00:02.20
10. sauceguardian
89
00:02.23
AO12
1. Douglas Shamlin Jr.
649
00:01.19
2. vowels
214
00:01.81
3. numbrr
263
00:02.16
4. jaybrainer
205
00:02.20
5. k3soju
219
00:02.31
6. qqwref
259
00:02.40
7. lmsc5k
56
00:02.49
8. sfumato
164
00:02.51
9. TashiroMiraki
202
00:02.56
10. sauceguardian
89
00:02.57
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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2024-10-13 10:30:44

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