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. Tunnel Keeper
16
00:02.44
2. Truth-or-Peace
92
00:02.88
3. randomflyintaco
50
00:03.70
4. AlexanderIII 00:03.78
5. Harry_Canyon
95
00:04.28
6. qobi
190
00:04.35
7. Dorice
205
00:04.38
8. HollyBerry
45
00:04.63
9. TheSunBro
31
00:04.80
10. SunnyKid
69
00:04.84
11. Ilbibi
31
00:05.50
12. nhjskfj
65
00:06.80
13. Veebus
1
00:08.01
14. Michael Jones Jr
79
00:08.35
15. sunnyshi
18
00:08.45
16. dema
4
00:08.70
17. puzzlingpatzer
41
00:11.55
18. kCota jhonson
4
00:12.64
19. lenne
64
00:12.65
20. EdenGameMaster
13
00:12.87
This Week
1. Tunnel Keeper
16
00:02.44
2. AlexanderIII 00:03.93
3. Harry_Canyon
95
00:04.28
4. qobi
190
00:04.37
5. HollyBerry
45
00:04.63
6. randomflyintaco
50
00:05.10
7. Ilbibi
31
00:05.50
8. Veebus
1
00:08.01
9. EdenGameMaster
13
00:12.87
10. aronn
6
00:15.70
11. Hvgo
5
00:42.15
12. Woodcharcoal
13
00:57.70
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Today
1. AlexanderIII 00:12.24
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MO3
1. Douglas Shamlin Jr.
575
00:00.94
2. vowels
202
00:01.07
3. jaybrainer
182
00:01.37
4. Sun Ocean Beach
215
00:01.73
5. qqwref
259
00:01.75
6. EC31
23
00:01.79
7. sfumato
164
00:01.84
8. numbrr
232
00:01.89
9. lmsc5k
41
00:01.91
10. TashiroMiraki
193
00:02.00
AO5
1. Douglas Shamlin Jr.
575
00:01.02
2. vowels
202
00:01.44
3. jaybrainer
182
00:01.59
4. qqwref
259
00:01.87
5. Sun Ocean Beach
215
00:01.90
6. lmsc5k
41
00:01.92
7. sfumato
164
00:02.01
8. numbrr
232
00:02.16
9. EC31
23
00:02.20
10. TashiroMiraki
193
00:02.24
AO12
1. Douglas Shamlin Jr.
575
00:01.19
2. vowels
202
00:01.81
3. jaybrainer
182
00:02.20
4. Sun Ocean Beach
215
00:02.31
5. qqwref
259
00:02.40
6. lmsc5k
41
00:02.49
7. sfumato
164
00:02.51
8. numbrr
232
00:02.53
9. TashiroMiraki
193
00:02.56
10. BingBongBob
107
00:02.73
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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2024-04-18 05:26:22

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