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	00:07.26
2.	mtanzer	00:09.35
3.	savebog	00:11.45
4.	eonhochang	00:13.86
5.	numbrr	00:14.67
6.	GeorgPfleger	00:15.07
7.	qqwref3	00:16.49
8.	Tobi Ente	00:17.37
9.	Orntt	00:17.95
10.	Nick	00:18.47
11.	poepjes	00:18.87
11.	BlueOcarina	00:18.87
13.	NoahR	00:19.75
14.	Ramasp	00:20.50
15.	fox1204	00:21.07
16.	Woodcharcoal	00:21.59
17.	spiffamoo	00:21.90
18.	Qwarp	00:23.05
19.	Ëmmâa	00:23.91
20.	SnapWzrd	00:24.06

This Week
1.	demian2	00:07.26
2.	eonhochang	00:13.86
3.	GeorgPfleger	00:15.07
4.	poepjes	00:18.87
5.	NoahR	00:19.75
6.	spiffamoo	00:21.90
7.	fox1204	00:25.29
8.	horst	00:32.16
9.	JOPHY_CHEN	00:33.55
10.	Eaglewolf	00:40.87
11.	Qwarp	00:43.37
12.	bestofriendo	00:52.00
13.	Naipstar	00:52.38
14.	masumimomo	00:54.49
15.	shikakumasterz	01:04.38
16.	Jens	02:01.93
17.	신동건	02:08.78
18.	CarloBasta	07:33.42
19.	--- empty ---	--:--
20.	--- empty ---	--:--

Today
1.	GeorgPfleger	00:15.07
2.	JOPHY_CHEN	00:33.55
3.	--- empty ---	--:--
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	00:09.26
2.	sfumato	00:12.77
3.	qobi	00:13.41
4.	mtanzer	00:14.18
5.	vowels	00:15.43
6.	ichigo	00:15.89
7.	eonhochang	00:16.29
8.	numbrr	00:16.52
9.	savebog	00:17.98
10.	soy	00:18.33

AO5
1.	demian2	00:09.82
2.	sfumato	00:12.97
3.	qobi	00:13.89
4.	mtanzer	00:15.73
5.	ichigo	00:16.33
6.	vowels	00:16.35
7.	eonhochang	00:18.43
8.	numbrr	00:18.46
9.	savebog	00:18.70
10.	bearn	00:18.74

AO12
1.	demian2	00:13.78
2.	sfumato	00:16.09
3.	qobi	00:17.04
4.	vowels	00:18.72
5.	ichigo	00:20.39
6.	mtanzer	00:21.24
7.	soy	00:21.87
8.	bearn	00:22.29
9.	numbrr	00:23.57
10.	savebog	00:23.60

Robots / programmatic solvers		info
1.	tlstyer	00:00.009
2.	Charlie Li	00:00.874
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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2022-01-28 09:47:32

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