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.	sunleonid	00:03.28
2.	boru	00:04.04
3.	JOHNSONHALL99	00:08.57
4.	Alyname	00:08.93
5.	GregDiAngelo	00:10.14
6.	takerusan	00:10.19
7.	oyatugaman	00:10.59
8.	HackMan	00:12.19
9.	FunAcroFly	00:12.87
10.	W2745	00:15.57
11.	ChiefOsceola	00:16.08
12.	tworivers	00:16.25
13.	Jorjess	00:16.43
14.	Adena	00:17.05
15.	CP2023	00:17.34
16.	TJ11235	00:17.54
17.	bitter6290	00:17.57
18.	MehtaMeet	00:18.80
19.	AnnaMariaVivaldi	00:18.97
20.	DaAmateurSolver	00:19.36

This Week
1.	sunleonid	00:03.28
2.	takerusan	00:10.28
3.	oyatugaman	00:10.59
4.	FunAcroFly	00:12.87
5.	W2745	00:15.57
6.	CP2023	00:17.34
7.	bitter6290	00:17.57
8.	MehtaMeet	00:18.80
9.	Zahra Alkhoori	00:19.44
10.	kingcxy	00:20.48
11.	AnnaMariaVivaldi	00:24.54
12.	성이름	00:26.24
13.	Partimento	00:34.60
14.	Stearin3V7	00:48.54
15.	cyanbao	01:01.52
16.	GirlSailor	01:13.61
17.	xuan	01:28.96
18.	--- empty ---	--:--
19.	--- empty ---	--:--
20.	--- empty ---	--:--

Today
1.	--- empty ---	--:--
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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2025-09-03 04:35:31

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