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
35
00:01.81
2.IHNN1
6
00:03.08
3.sfumato
90
00:03.44
4.vowels
48
00:03.61
5.qobi
87
00:03.74
6.Chylllz00:03.79
7.funky
2
00:03.95
8.PatrizioMN
4
00:04.24
9.poepjes
18
00:04.26
10.Geras
40
00:04.88
10.micheru00:04.88
12.Ailurus
79
00:04.97
13.PiMaster
3
00:05.12
14.bestofriendo
16
00:05.23
15.EmilXM
7
00:05.29
16.Kyra05
9
00:05.37
17.Extwwwbfj xisiuz
2
00:05.69
18.DasKlaus
55
00:05.87
19.GeorgPfleger
59
00:05.94
20.chwen
7
00:06.04
This Week
1.demian2
35
00:01.90
2.IHNN1
6
00:03.08
3.qobi
87
00:03.82
4.sfumato
90
00:03.90
5.funky
2
00:03.95
6.poepjes
18
00:04.26
7.PatrizioMN
4
00:04.32
8.bestofriendo
16
00:05.23
9.Kyra05
9
00:05.37
10.DasKlaus
55
00:05.87
11.GeorgPfleger
59
00:05.94
12.chwen
7
00:06.04
13.sigmaSYSU00:06.11
14.dbut2
15
00:06.32
15.micheru00:06.35
16.floattube
4
00:06.49
17.shinji00:06.62
18.Fedig
13
00:06.85
19.Fastfaxer
75
00:06.87
20.Paul520300:07.35
Today
1.demian2
35
00:01.90
2.sfumato
90
00:03.90
3.PatrizioMN
4
00:04.32
4.qobi
87
00:04.74
5.GeorgPfleger
59
00:05.94
6.chwen
7
00:06.04
7.dbut2
15
00:06.32
8.hsiaoshangjen
32
00:11.83
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
35
00:02.32
2.sfumato
90
00:03.82
3.IHNN1
6
00:04.12
4.mtanzer
87
00:04.14
5.million
46
00:04.28
6.savebog
11
00:04.29
7.Geras
40
00:04.31
8.vowels
48
00:04.43
9.qobi
87
00:04.44
10.poepjes
18
00:04.72
AO5
1.demian2
35
00:02.50
2.sfumato
90
00:03.94
3.savebog
11
00:04.29
4.IHNN1
6
00:04.33
5.mtanzer
87
00:04.59
6.qobi
87
00:04.64
7.vowels
48
00:04.68
8.tuberculosis
21
00:04.78
9.SirDiscalot
24
00:04.93
10.poepjes
18
00:04.95
AO12
1.demian2
35
00:02.86
2.sfumato
90
00:04.46
3.savebog
11
00:05.15
4.IHNN1
6
00:05.22
5.mtanzer
87
00:05.34
6.qobi
87
00:05.47
7.SirDiscalot
24
00:05.48
8.tuberculosis
21
00:05.49
9.vowels
48
00:05.52
10.ichigo
25
00:05.54
Robots / programmatic solversinfo  
1.tlstyer
1314
00:00.009
2.Charlie Li
60
00:00.709
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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2021-09-18 21:52:11

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