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.demian2
40
00:14.95
2.qobi
91
00:26.37
3.sfumato
97
00:28.76
4.Swatch00:29.31
5.James Staddon
14
00:35.26
6.GeorgPfleger
60
00:35.83
7.vowels
63
00:43.94
8.Dinosaur00:51.27
9.aequidens
80
00:54.76
10.yiran01:01.59
11.Ludaye
72
01:13.19
12.Another01:15.81
13.mjkjxp01:17.47
14.annaschmied01:19.22
15.ChiefOsceola01:23.08
16.Danilko
59
01:27.42
17.beedeedubbs
5
01:29.88
18.wolfgang593401:39.23
19.AScreenName01:44.64
20.quantumdude
9
01:47.42
This Week
1.qobi
91
00:28.65
2.sfumato
97
00:32.96
3.James Staddon
14
00:35.26
4.GeorgPfleger
60
00:43.04
5.aequidens
80
01:14.80
6.Another01:15.81
7.mjkjxp01:17.47
8.annaschmied01:19.22
9.Danilko
59
01:27.42
10.wolfgang593401:39.23
11.quantumdude
9
01:47.42
12.tommy8431
27
01:49.14
13.GoatMan01:49.30
14.grammiej03:10.39
15.--- empty -----:--
16.--- empty -----:--
17.--- empty -----:--
18.--- empty -----:--
19.--- empty -----:--
20.--- empty -----:--
Today
1.GeorgPfleger
60
00:43.04
2.mjkjxp01:17.47
3.tommy8431
27
01:49.14
4.--- empty -----:--
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.demian2
40
00:20.61
2.qobi
91
00:28.02
3.sfumato
97
00:36.22
4.bearn
63
00:38.58
5.vowels
63
00:40.74
6.GeorgPfleger
60
00:43.56
7.Andy100
54
00:44.83
8.NinjaFury68
76
00:47.56
9.Brisko
34
00:48.04
10.Kutner17
46
00:48.41
AO5
1.demian2
40
00:21.11
2.qobi
91
00:31.12
3.sfumato
97
00:38.24
4.vowels
63
00:41.27
5.GeorgPfleger
60
00:43.99
6.NinjaFury68
76
00:48.60
7.Brisko
34
00:50.03
8.Andy100
54
00:50.60
9.Kutner17
46
00:50.74
10.million
47
00:55.74
AO12
1.qobi
91
00:36.53
2.vowels
63
00:48.39
3.sfumato
97
00:48.49
4.GeorgPfleger
60
00:51.44
5.NinjaFury68
76
00:53.28
6.Kutner17
46
01:05.51
7.poepjes
20
01:05.93
8.Kunabanana
45
01:08.12
9.RodrigoBrazil
48
01:10.94
10.Geras
41
01:11.56
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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2021-10-18 14:52:12

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