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.	GregDiAngelo	01:07.88
2.	Taco1717	01:08.70
3.	HackMan	01:12.05
4.	lanlan	01:15.61
5.	qobi	01:25.57
6.	cancan	01:31.53
7.	Jorjess	01:37.20
8.	ChiefOsceola	01:37.29
9.	css861	01:39.68
10.	takiki	01:46.54
11.	zooandroo	02:03.50
12.	slyguy519	02:22.46
13.	doctorbutterfly	02:32.28
14.	FLF	02:38.67
15.	KETJAK	02:41.36
16.	oshi	02:48.88
17.	Peter van Jole	02:49.62
18.	May John	02:53.77
19.	Alyname	03:14.98
20.	d00mseer	03:22.52

This Week
1.	GregDiAngelo	01:07.88
2.	Jorjess	01:37.20
3.	HackMan	01:42.69
4.	slyguy519	02:22.46
5.	doctorbutterfly	02:32.28
6.	FLF	02:38.67
7.	Zhivko	04:05.96
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Today
1.	HackMan	01:45.06
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MO3
1.	Douglas Shamlin Jr.	00:14.28
2.	nabi	00:15.73
3.	numbrr	00:19.18
4.	BingBongBob	00:19.82
5.	vowels	00:21.83
6.	Joshua Zhang [Studen...	00:22.57
7.	Make	00:23.69
8.	jai22933	00:24.54
9.	qqwref	00:25.55
10.	vx14	00:27.92

AO5
1.	Douglas Shamlin Jr.	00:14.96
2.	nabi	00:16.49
3.	BingBongBob	00:19.98
4.	numbrr	00:20.31
5.	vowels	00:22.17
6.	Joshua Zhang [Studen...	00:23.06
7.	Make	00:24.78
8.	jai22933	00:25.09
9.	qqwref	00:26.34
10.	vx14	00:28.01

AO12
1.	Douglas Shamlin Jr.	00:16.47
2.	nabi	00:19.36
3.	BingBongBob	00:21.05
4.	numbrr	00:23.62
5.	vowels	00:24.20
6.	Make	00:25.53
7.	jai22933	00:26.96
8.	qqwref	00:27.68
9.	Joshua Zhang [Studen...	00:28.84
10.	vx14	00:29.77

Robots / programmatic solvers		info
1.	tlstyer	00:00.007
2.	jllachan	00:00.483
3.	BertinSylux98	00:00.835

* 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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2025-08-21 14:00:32

www.puzzle-hitori.com

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