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.	eatatjoes	02:34.32
2.	Dorice	02:37.78
3.	hkjsf	03:34.86
4.	crema	04:35.89
5.	css861	08:37.24
6.	lanlan	09:40.61
7.	pythagora	10:32.44
8.	Wuni14	10:51.24
9.	widthofacircle	13:53.34
10.	wyq97	17:43.83
11.	Edash	17:54.64
12.	FLF	18:23.44
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This Week
1.	eatatjoes	02:34.32
2.	Dorice	02:37.78
3.	hkjsf	03:34.86
4.	css861	08:37.24
5.	lanlan	09:40.61
6.	wyq97	17:43.83
7.	Edash	17:54.64
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Today
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MO3
1.	numbrr	01:41.51
2.	nabi	01:43.57
3.	Make	01:48.64
4.	Douglas Shamlin Jr.	02:01.87
5.	qqwref	02:19.75
6.	SilverHawk	02:23.95
7.	jaybrainer	02:27.16
8.	vx14	02:27.42
9.	boru	02:29.68
10.	MoFan	02:34.98

AO5
1.	numbrr	01:42.48
2.	nabi	01:43.69
3.	Make	01:52.96
4.	Douglas Shamlin Jr.	02:04.40
5.	qqwref	02:20.23
6.	SilverHawk	02:28.05
7.	vx14	02:32.62
8.	boru	02:39.10
9.	vowels	02:39.67
10.	beatrixwashere	02:40.70

AO12
1.	numbrr	01:47.49
2.	nabi	01:52.06
3.	Make	01:55.86
4.	Douglas Shamlin Jr.	02:07.64
5.	SilverHawk	02:34.96
6.	qqwref	02:37.90
7.	vx14	02:40.34
8.	boru	02:46.30
9.	vowels	02:53.45
10.	beatrixwashere	02:54.43

Robots / programmatic solvers		info
1.	tlstyer	00:00.008
2.	jllachan	00:00.492
3.	BertinSylux98	00:02.818

* 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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2025-09-18 07:48:10

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