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.	Kaitzschu	00:57.38
2.	Douglas Shamlin Jr.	02:49.80
3.	Make	03:49.37
4.	qqwref	04:19.47
5.	SilverHawk	05:31.38
6.	qqqmint	05:41.06
7.	itskiwi	06:00.52
8.	nabi	06:12.45
9.	Ola Lenik	06:13.91
10.	wecestca2	06:20.60

AO5
1.	Kaitzschu	01:06.13
2.	Douglas Shamlin Jr.	02:54.74
3.	Make	04:04.61
4.	qqwref	04:42.52
5.	SilverHawk	05:32.91
6.	qqqmint	05:47.19
7.	itskiwi	06:20.60
8.	anonymous	06:28.97
9.	wecestca2	06:34.19
10.	anonymous	06:38.51

AO12
1.	Kaitzschu	01:23.57
2.	Douglas Shamlin Jr.	03:05.19
3.	Make	04:15.55
4.	qqwref	04:52.58
5.	SilverHawk	05:46.02
6.	qqqmint	06:00.51
7.	itskiwi	06:40.56
8.	anonymous	06:55.24
9.	Rozay	06:56.99
10.	anonymous	07:15.37

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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2025-07-14 20:12:00

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