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.	Liv01	03:02.04
2.	hkjsf	03:59.90
3.	llmt9	04:13.98
4.	FluffyFS	04:47.02
5.	littletart	06:07.02
6.	Dorice	07:07.09
7.	rekted	13:06.22
8.	Edash	15:59.94
9.	AkiyamaMizuki	16:09.36
10.	ktaklearns	18:19.65
11.	olwd	30:34.98
12.	cancan	41:04.21
13.	ぺぺろんちい�...	47:57.19
14.	AzuReVaPouR	50:51.30
15.	Slaettaratindur	24d 20:31:23.64
16.	--- empty ---	--:--
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This Week
1.	Liv01	03:02.04
2.	llmt9	05:12.27
3.	olwd	45:53.35
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6.	--- empty ---	--:--
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Today
1.	olwd	45:53.35
2.	--- empty ---	--:--
3.	--- empty ---	--:--
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5.	--- empty ---	--:--
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MO3
1.	numbrr	02:15.88
2.	nabi	02:26.69
3.	Make	02:48.50
4.	qqwref	03:24.96
5.	wecestca2	03:28.85
6.	Ola Lenik	03:38.39
7.	vx14	03:38.61
8.	SilverHawk	03:39.89
9.	Timitz	03:41.66
10.	TheUgly	03:43.83

AO5
1.	numbrr	02:33.89
2.	nabi	02:47.41
3.	Make	02:53.22
4.	qqwref	03:33.95
5.	Ola Lenik	03:39.52
6.	wecestca2	03:43.57
7.	vx14	03:43.71
8.	TheUgly	03:43.83
9.	IzAlexandre2	03:48.39
10.	itskiwi	03:54.70

AO12
1.	nabi	02:52.95
2.	numbrr	02:53.95
3.	Make	03:08.88
4.	TheUgly	03:43.90
5.	Ola Lenik	04:04.26
6.	qqwref	04:11.05
7.	vx14	04:13.25
8.	itskiwi	04:19.24
9.	wecestca2	04:21.69
10.	anonymous	04:31.60

Robots / programmatic solvers		info
1.	tlstyer	00:00.019
2.	jllachan	00:00.494
3.	BertinSylux98	00:02.834

* 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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2025-10-29 01:55:53

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