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.	thrasymachus	02:04.82
2.	stemvork	03:38.81
3.	Taco1717	04:38.73
4.	Demirfil	07:08.29
5.	ktaklearns	07:12.75
6.	Sudoke86	08:24.56
7.	pandabiubiu	10:04.22
8.	bsk5941	13:13.08
9.	Summane	20:56.72
10.	slyguy519	2:22:42.77
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This Week
1.	Taco1717	04:38.73
2.	ktaklearns	07:12.75
3.	Sudoke86	08:24.56
4.	bsk5941	13:13.08
5.	Summane	20:56.72
6.	Demirfil	21:55.88
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Today
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MO3
1.	nabi	01:00.52
2.	numbrr	01:08.09
3.	Make	01:25.18
4.	qqwref	01:28.53
5.	IzAlexandre2	01:44.10
6.	hkjsf	01:50.71
7.	llmt9	01:51.05
8.	distracted	01:53.06
9.	vx14	01:57.55
10.	LittlePiggy	02:00.28

AO5
1.	nabi	01:07.48
2.	numbrr	01:10.69
3.	Make	01:30.57
4.	qqwref	01:30.58
5.	BingBongBob	01:34.88
6.	IzAlexandre2	01:52.90
7.	llmt9	01:58.23
8.	hkjsf	01:59.41
9.	LittlePiggy	02:00.28
10.	TGOokami	02:01.64

AO12
1.	numbrr	01:27.29
2.	nabi	01:34.21
3.	Make	01:39.65
4.	qqwref	01:54.54
5.	IzAlexandre2	02:09.54
6.	vx14	02:18.25
7.	llmt9	02:25.88
8.	LittlePiggy	02:28.49
9.	SilverHawk	02:29.70
10.	TGOokami	02:31.82

Robots / programmatic solvers		info
1.	tlstyer	00:00.012
2.	jllachan	00:00.491
3.	BertinSylux98	00:01.349

* 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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2026-02-15 03:58:00

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