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.	Visco	00:07.62
2.	JOHNSONHALL99	00:08.57
3.	Alyname	00:08.93
4.	bitter6290	00:09.96
5.	cancan	00:10.28
6.	Taco1717	00:11.03
7.	LongSalad	00:11.93
8.	HackMan	00:12.01
9.	sakrriie	00:12.32
10.	CroMa	00:12.52
11.	Fish5417	00:13.50
12.	May John	00:14.34
13.	tworivers	00:16.25
14.	ChiefOsceola	00:16.62
15.	Adena	00:17.05
16.	TJ11235	00:17.54
17.	exformation	00:17.66
18.	NghiVo	00:17.94
19.	Jorjess	00:17.97
20.	akragg	00:18.13

This Week
1.	JOHNSONHALL99	00:08.57
2.	Alyname	00:08.93
3.	HackMan	00:14.68
4.	tworivers	00:16.25
5.	TJ11235	00:17.54
6.	Jorjess	00:17.97
7.	Adena	00:18.98
8.	marbleeeee	00:20.77
8.	qobi	00:20.77
10.	Partimento	00:21.42
11.	xilli	00:24.23
12.	NghiVo	00:28.74
13.	FunAcroFly	00:28.83
14.	sasitaran	00:40.99
15.	sinasplit	00:42.85
16.	xuan	00:47.57
17.	AiTug	01:04.67
18.	esamgu	24d 20:31:23.64
19.	--- empty ---	--:--
20.	--- empty ---	--:--

Today
1.	Jorjess	00:17.97
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
6.	JZE	00:03.50
8.	anonymous	00:03.53
9.	anonymous	00:03.66
10.	Douglas Shamlin Jr.	00:04.17

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.	JZE	00:04.43
10.	Douglas Shamlin Jr.	00:04.45

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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2025-08-12 12:04:43

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