Shikaku

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.

Video Tutorial

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This Month
1.	demian2	00:32.97
2.	coolcoolguy65	00:37.36
3.	vowels	00:43.16
4.	mp3some	01:06.55
5.	eonhochang	01:11.01
6.	IngerH	01:13.94
7.	qobi	01:15.24
8.	Kaitzschu	01:16.45
9.	BingBongBob	01:16.51
10.	Dorice	01:27.28
11.	sredmond	01:37.67
12.	GeorgPfleger	01:38.15
13.	птну пиZдец	01:39.92
14.	alzi4825	01:46.15
15.	Katherine18	01:47.11
16.	Namae	01:48.66
17.	no1mayjah	02:02.31
18.	jedhen	02:13.88
19.	Sylence669	02:16.37
20.	numbrr	02:18.35

This Week
1.	demian2	00:37.06
2.	coolcoolguy65	00:48.34
3.	mp3some	01:07.35
4.	qobi	01:15.24
5.	Dorice	01:27.28
6.	GeorgPfleger	01:38.15
7.	alzi4825	01:46.15
8.	p.b.	02:35.31
9.	Skutti	02:36.56
10.	kyrawr83	02:50.72
11.	ashllyn	04:33.93
12.	Dystopiik	06:27.62
13.	whatever1128	08:47.80
14.	suzy52S	16:15.58
15.	--- empty ---	--:--
16.	--- empty ---	--:--
17.	--- empty ---	--:--
18.	--- empty ---	--:--
19.	--- empty ---	--:--
20.	--- empty ---	--:--

Today
1.	demian2	00:37.06
2.	mp3some	01:07.35
3.	GeorgPfleger	01:38.15
4.	alzi4825	01:46.15
5.	Skutti	02:36.56
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.	coolcoolguy65	00:49.93
2.	vowels	00:52.85
3.	demian2	00:55.33
4.	qqwref	01:05.44
5.	hoodxxc	01:09.62
6.	sfumato	01:09.81
7.	mtanzer	01:10.42
8.	major414	01:10.67
9.	Enderbrine	01:11.44
10.	bearn	01:11.58

AO5
1.	vowels	00:57.10
2.	coolcoolguy65	00:59.23
3.	demian2	01:06.28
4.	qqwref	01:09.09
5.	major414	01:10.67
6.	mtanzer	01:13.59
7.	Enderbrine	01:14.62
8.	qobi	01:14.74
9.	bearn	01:19.53
10.	sfumato	01:19.97

AO12
1.	vowels	01:03.35
2.	coolcoolguy65	01:19.68
3.	qqwref	01:21.33
4.	mtanzer	01:25.15
5.	major414	01:27.00
6.	bearn	01:27.04
7.	qobi	01:27.07
8.	suuperch	01:29.46
9.	Enderbrine	01:30.01
10.	sfumato	01:32.96

Robots / programmatic solvers		info
1.	tlstyer	00:00.009
2.	Charlie Li	00:00.967
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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2022-07-06 23:03:28

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