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	02:14.38
2.	Douglas Shamlin Jr.	07:41.62
3.	Make	10:21.03
4.	qqwref	12:07.17
5.	anonymous	14:53.15
6.	qqqmint	15:33.49
7.	anonymous	15:39.48
8.	EarthFallen	16:10.28
9.	anonymous	18:02.36
10.	XuanLan	18:23.54

AO5
1.	Kaitzschu	02:16.84
2.	Douglas Shamlin Jr.	08:08.20
3.	Make	10:48.57
4.	qqwref	12:19.71
5.	qqqmint	15:47.05
6.	anonymous	17:19.55
7.	anonymous	18:45.09
8.	XuanLan	19:31.67
9.	anonymous	19:59.44
10.	Kaimu	20:11.19

AO12
1.	Kaitzschu	02:38.12
2.	Douglas Shamlin Jr.	09:36.13
3.	Make	11:20.14
4.	qqwref	13:32.84
5.	XuanLan	19:54.69
6.	qqqmint	22:04.63
7.	Kaimu	22:28.33
8.	anonymous	23:34.65
9.	anonymous	24:47.71
10.	F@ntomAS	26:10.71

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.
You need to be logged in to track your averages

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2025-07-09 07:58:25

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