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	00:01.71
2.	09Ash	00:03.35
3.	Dolil	00:03.59
4.	Awake	00:03.90
5.	Travis Howk	00:04.00
6.	Filiberke	00:04.04
7.	ackbey2	00:04.17
8.	Taro	00:04.26
9.	Sample Text	00:04.30
10.	ackbey	00:04.50
10.	Mltuyo	00:04.50
12.	stevensilston	00:04.62
13.	ashton young	00:04.74
14.	SelzzupCigol	00:04.80
15.	lubo	00:04.87
16.	M0RN1NGST4R	00:04.96
17.	eonhochang	00:05.00
18.	BingDwenDwen	00:05.13
19.	pengi	00:05.33
20.	ojrak	00:05.46

This Week
1.	demian2	00:02.00
2.	Filiberke	00:04.04
3.	stevensilston	00:04.62
4.	ashton young	00:04.74
5.	eonhochang	00:05.08
6.	pengi	00:05.33
7.	Xavier Leveille	00:05.63
8.	evariste	00:05.94
9.	Jbrunt	00:05.95
10.	ashtonyoung	00:06.09
11.	GeorgPfleger	00:06.12
12.	buttmuncher	00:06.14
13.	AndrePOR	00:06.20
14.	corrian998	00:06.42
15.	Altair288	00:07.42
16.	MatiasRF	00:07.81
17.	Audrina246	00:08.63
18.	LLer	00:08.77
19.	chocolateonions	00:08.94
20.	KnowBrother	00:08.98

Today
1.	terra	00:23.03
2.	--- empty ---	--:--
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.	vowels	00:02.10
2.	demian2	00:02.29
3.	nabifan	00:02.84
4.	sfumato	00:02.91
5.	jai22933	00:03.04
6.	Vicell	00:03.11
6.	BingBongBob	00:03.11
8.	mtanzer	00:03.19
9.	qqwref	00:03.35
10.	Awake	00:03.49

AO5
1.	vowels	00:02.10
2.	demian2	00:02.44
3.	mtanzer	00:03.13
4.	Vicell	00:03.14
5.	BingBongBob	00:03.15
6.	sfumato	00:03.20
7.	jai22933	00:03.21
8.	qqwref	00:03.37
9.	nabifan	00:03.38
10.	PuzzleMaestro	00:03.62

AO12
1.	vowels	00:02.63
2.	demian2	00:02.86
3.	Vicell	00:03.30
4.	BingBongBob	00:03.48
5.	jai22933	00:03.51
6.	sfumato	00:03.64
7.	qqwref	00:03.73
8.	mtanzer	00:04.16
9.	bearn	00:04.26
10.	Geras	00:04.48

Robots / programmatic solvers		info
1.	tlstyer	00:00.009
2.	Charlie Li	00:00.709
3.	KoenDe3e	00:07.159

* 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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2023-03-29 03:18:58

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