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
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This Week
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Today
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MO3
1.	anonymous	00:53.21
2.	Kaitzschu	01:36.89
3.	Douglas Shamlin Jr.	05:00.69
4.	Make	05:53.64
5.	qqwref	08:39.66
6.	qqqmint	08:50.21
7.	itskiwi	09:47.72
8.	EarthFallen	09:47.74
9.	SilverHawk	11:08.28
10.	anonymous	11:08.29

AO5
1.	Kaitzschu	01:36.99
2.	anonymous	03:20.21
3.	Douglas Shamlin Jr.	05:12.10
4.	Make	06:21.36
5.	qqwref	08:50.29
6.	qqqmint	09:01.23
7.	itskiwi	09:55.36
8.	SilverHawk	11:01.20
9.	anonymous	11:19.03
10.	anonymous	11:29.10

AO12
1.	Kaitzschu	01:59.49
2.	Douglas Shamlin Jr.	05:20.71
3.	Make	06:56.70
4.	qqwref	09:10.73
5.	qqqmint	10:31.25
6.	anonymous	11:30.65
7.	anonymous	12:32.83
8.	anonymous	12:38.51
9.	F@ntomAS	13:36.20
10.	wecestca2	13:46.49

Robots / programmatic solvers		info
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* 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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2025-09-17 21:12:13

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