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.	Puppy01	01:21.37
2.	Stefferox	01:21.80
3.	Demirfil	01:37.19
4.	kittycatyay	02:58.83
5.	tworivers	03:09.44
6.	jskang	03:16.42
7.	bastim86	04:45.88
8.	frtnc	05:30.48
9.	Educated-cat	05:44.34
10.	olwd	06:24.82
11.	spen sp2	06:45.28
12.	3tile	08:12.52
13.	Ariadna	09:30.07
14.	saolei6404	14:54.25
15.	passngrin	17:33.58
16.	--- empty ---	--:--
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This Week
1.	Stefferox	01:21.80
2.	frtnc	05:30.48
3.	spen sp2	06:45.28
4.	Ariadna	09:57.85
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6.	--- empty ---	--:--
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Today
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MO3
1.	nabi	00:19.68
2.	numbrr	00:24.26
3.	BingBongBob	00:26.71
4.	vowels	00:27.32
5.	Make	00:30.39
6.	qqwref	00:31.29
7.	IzAlexandre2	00:35.67
8.	distracted	00:36.34
9.	LittlePiggy	00:36.88
10.	PuzzleMaestro	00:37.26

AO5
1.	nabi	00:19.80
2.	numbrr	00:24.89
3.	vowels	00:29.42
4.	Make	00:32.49
5.	qqwref	00:32.88
6.	BingBongBob	00:32.92
7.	IzAlexandre2	00:37.25
8.	SilverHawk	00:37.63
9.	vx14	00:38.43
10.	LittlePiggy	00:38.67

AO12
1.	nabi	00:21.95
2.	numbrr	00:28.68
3.	BingBongBob	00:36.42
4.	qqwref	00:36.65
5.	vowels	00:37.84
6.	SilverHawk	00:38.89
7.	Make	00:39.22
8.	vx14	00:41.99
9.	IzAlexandre2	00:43.70
10.	LittlePiggy	00:44.27

Robots / programmatic solvers		info
1.	tlstyer	00:00.007
2.	jllachan	00:00.491
3.	BertinSylux98	00:00.867

* 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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2025-10-14 03:55:45

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