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.	llmt9	00:33.83
2.	thall	00:35.27
3.	Oryn	00:43.59
4.	SA5838	01:01.97
5.	tworivers	01:02.00
6.	junkdrawer	02:49.57
7.	DougP	02:55.96
8.	nulka	03:12.18
9.	serket	03:19.86
10.	Tintin	03:54.48
11.	Blackberry	03:59.64
12.	trLBumm	05:33.54
13.	ScorpionMax	06:03.82
14.	Solus	06:05.77
15.	FunAcroFly	20d 12:41:45.01
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This Week
1.	tworivers	01:10.06
2.	SA5838	01:24.06
3.	serket	03:19.86
4.	ScorpionMax	06:03.82
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Today
1.	SA5838	01:55.89
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MO3
1.	nabi	00:18.24
2.	vowels	00:18.90
3.	numbrr	00:21.03
4.	BingBongBob	00:22.37
5.	Make	00:24.02
6.	qqwref	00:24.40
7.	jai22933	00:26.58
8.	SilverHawk	00:26.59
9.	IzAlexandre2	00:29.87
10.	boru	00:31.30

AO5
1.	nabi	00:19.01
2.	vowels	00:20.64
3.	numbrr	00:22.23
4.	BingBongBob	00:23.76
5.	Make	00:24.49
6.	qqwref	00:26.89
7.	SilverHawk	00:29.07
8.	IzAlexandre2	00:31.39
9.	boru	00:31.71
10.	jai22933	00:31.97

AO12
1.	nabi	00:20.19
2.	numbrr	00:24.88
3.	vowels	00:26.82
4.	Make	00:27.08
5.	BingBongBob	00:27.58
6.	qqwref	00:29.11
7.	SilverHawk	00:31.29
8.	IzAlexandre2	00:32.79
9.	jai22933	00:34.22
10.	boru	00:37.05

Robots / programmatic solvers		info
1.	tlstyer	00:00.008
2.	jllachan	00:00.491
3.	BertinSylux98	00:00.858

* 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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2025-12-23 03:16:45

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