Hitori

Hitori is a logic puzzle with simple rules and challenging solutions.

The rules of Hitori are simple:
You have to shade some of the cells of the grid according to the rules:
- No number should appear unshaded more than once in a row or a column.
- 2 black cells cannot be adjacent horizontally or vertically.
- All non-shaded cells should be connected in a single group by vertical or horizontal motion.

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This Month
1.	KarasuKarasu	00:06.07
2.	I. A. L. M. +	00:06.48
3.	sunflower554	00:07.40
4.	OuO Seal	00:08.77
5.	afidaleo	00:11.02
6.	ChiefOsceola	00:11.28
7.	Dario Erhard	00:11.94
8.	CP2023	00:12.64
9.	stemvork	00:13.70
10.	Klappa en ko	00:14.54
11.	HackMan	00:15.25
12.	KETJAK	00:15.34
13.	pouldu	00:15.36
14.	Loong	00:15.61
15.	weiziyue0000	00:15.88
16.	crema	00:16.21
17.	Muelsyse	00:17.07
18.	lanlan	00:18.17
19.	hengggah	00:19.94
20.	PW100	00:22.70

This Week
1.	I. A. L. M. +	00:06.48
2.	ChiefOsceola	00:11.28
3.	KETJAK	00:15.34
4.	pouldu	00:15.36
5.	HackMan	00:15.69
6.	Muelsyse	00:17.07
7.	stemvork	00:20.98
8.	Pngaea	00:23.13
9.	Rygs192	00:40.04
10.	Matiaus	02:50.39
11.	--- empty ---	--:--
12.	--- empty ---	--:--
13.	--- empty ---	--:--
14.	--- empty ---	--:--
15.	--- empty ---	--:--
16.	--- empty ---	--:--
17.	--- empty ---	--:--
18.	--- empty ---	--:--
19.	--- empty ---	--:--
20.	--- empty ---	--:--

Today
1.	Muelsyse	00:17.07
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.	nabi	00:02.56
2.	vowels	00:02.65
3.	BingBongBob	00:03.23
4.	numbrr	00:03.38
5.	jai22933	00:03.44
6.	anonymous	00:03.50
7.	anonymous	00:03.53
8.	anonymous	00:03.66
9.	Douglas Shamlin Jr.	00:04.17
10.	qqwref	00:04.94

AO5
1.	nabi	00:02.76
2.	vowels	00:02.87
3.	BingBongBob	00:03.43
4.	anonymous	00:03.55
5.	numbrr	00:03.60
6.	anonymous	00:03.63
7.	anonymous	00:03.72
8.	jai22933	00:03.75
9.	Douglas Shamlin Jr.	00:04.45
10.	qqwref	00:05.08

AO12
1.	nabi	00:02.96
2.	vowels	00:03.32
3.	BingBongBob	00:03.94
4.	jai22933	00:04.04
5.	anonymous	00:04.09
6.	anonymous	00:04.17
7.	numbrr	00:04.55
8.	Douglas Shamlin Jr.	00:05.00
9.	qqwref	00:05.64
10.	Make	00:05.96

Robots / programmatic solvers		info
1.	tlstyer	00:00.006
2.	jllachan	00:00.493
3.	BertinSylux98	00:00.642

* 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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2025-06-15 13:27:43

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