Shikaku


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Shikaku (also known as Rectangles) is a logic puzzle with simple rules and challenging solutions.

The rules are simple. You have to divide the grid into rectangular and square pieces such that each piece contains exactly one number, and that number represents the area of the rectangle.

Click and drag to draw a rectangle. To remove lines use the right mouse button or hold the Ctrl or the Shift key.

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Shikaku


5x5 Shikaku | 7x7 Shikaku | 10x10 Shikaku | 15x15 Shikaku | 20x20 Shikaku | 25x25 Shikaku

This Month
1. qobi
142
00:28.69
2. DukeAmsterdam 00:28.83
3. nabifan
68
00:30.39
4. Another 00:32.10
5. GeorgPfleger
69
00:37.77
6. SmallBlack 00:37.96
7. Icay
93
00:42.93
8. nrtz
79
00:49.43
9. Boatman258 00:54.39
10. ChiefOsceola 00:55.79
11. Goubtless
27
00:59.92
12. CaiHH
55
01:02.23
13. Vincent615540 01:06.01
14. West United
59
01:06.90
15. Dorice
148
01:21.84
16. strider2 01:23.81
17. sprstition
24
01:24.82
18. HHong 01:32.18
19. Myic2000 01:46.56
20. Klappa en ko
63
01:54.34
This Week
1. Another 00:32.10
2. GeorgPfleger
69
00:37.77
3. Boatman258 00:54.39
4. inequality 02:19.71
5. ukiishi 03:26.77
6. shih55 03:41.28
7.--- empty -----:--
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20.--- empty -----:--
Today
1. shih55 03:41.28
2.--- empty -----:--
3.--- empty -----:--
4.--- empty -----:--
5.--- empty -----:--
6.--- empty -----:--
7.--- empty -----:--
8.--- empty -----:--
9.--- empty -----:--
10.--- empty -----:--
11.--- empty -----:--
12.--- empty -----:--
13.--- empty -----:--
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16.--- empty -----:--
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18.--- empty -----:--
19.--- empty -----:--
20.--- empty -----:--
MO3
1. demian2
61
00:19.43
2. vowels
171
00:21.51
3. Luke Pickett
11
00:24.19
4. qqwref
203
00:27.84
5. qobi
142
00:28.02
5. bearn
127
00:28.02
7. sfumato
160
00:28.26
8. mtanzer
140
00:30.34
9. BingBongBob
76
00:35.05
10. major414
60
00:36.48
AO5
1. demian2
61
00:21.11
2. vowels
171
00:25.07
3. qqwref
203
00:26.32
4. bearn
127
00:29.92
5. Luke Pickett
11
00:29.96
6. sfumato
160
00:30.16
7. qobi
142
00:31.12
8. mtanzer
140
00:34.86
9. eonhochang
30
00:38.25
10. nabifan
68
00:38.97
AO12
1. vowels
171
00:28.88
2. qqwref
203
00:32.21
3. sfumato
160
00:33.58
4. bearn
127
00:35.07
5. qobi
142
00:36.53
6. Luke Pickett
11
00:37.79
7. mtanzer
140
00:44.28
8. Geras
69
00:44.71
9. Andy100
80
00:45.18
10. Sam9375
171
00:46.29
Robots / programmatic solversinfo  
1.tlstyer
1314
00:00.009
2.Charlie Li
60
00:00.871
3.--- empty -----:--

* 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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2022-11-29 05:25:30

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