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.	Dorice	01:46.12
2.	ZebraKing	02:39.84
3.	* ***	02:43.52
4.	lanlan	03:19.61
5.	HackMan	03:23.18
6.	littletart	03:24.77
7.	css861	03:35.30
8.	SirHumphrey	04:22.84
9.	cancan	04:47.68
10.	pythagora	04:50.25
11.	Jack63kids	05:17.97
12.	Jorjess	05:18.69
13.	TJ11235	05:32.22
14.	Wuni14	05:41.63
15.	qobi	05:43.80
16.	FLF	07:25.04
17.	Peter van Jole	09:00.03
18.	slyguy519	24d 20:31:23.64
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This Week
1.	Dorice	02:02.52
2.	pythagora	04:55.29
3.	SirHumphrey	05:00.53
4.	Wuni14	06:02.36
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Today
1.	Dorice	02:06.80
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MO3
1.	numbrr	00:52.76
2.	nabi	00:53.02
3.	Douglas Shamlin Jr.	00:56.25
4.	Make	00:59.67
5.	BingBongBob	01:04.66
6.	qqwref	01:06.02
7.	SilverHawk	01:06.31
8.	vx14	01:09.65
9.	vowels	01:10.50
10.	boru	01:12.61

AO5
1.	numbrr	00:54.62
2.	nabi	00:55.43
3.	Douglas Shamlin Jr.	00:58.42
4.	Make	01:01.97
5.	BingBongBob	01:05.47
6.	qqwref	01:06.02
7.	SilverHawk	01:08.43
8.	vx14	01:09.65
9.	vowels	01:13.67
10.	IzAlexandre2	01:15.11

AO12
1.	nabi	00:57.30
2.	numbrr	00:57.34
3.	Douglas Shamlin Jr.	01:05.26
4.	Make	01:06.53
5.	qqwref	01:12.64
6.	vx14	01:14.92
7.	SilverHawk	01:17.31
8.	boru	01:21.50
9.	IzAlexandre2	01:23.00
10.	vowels	01:24.78

Robots / programmatic solvers		info
1.	tlstyer	00:00.007
2.	jllachan	00:00.495
3.	BertinSylux98	00:01.389

* 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 13:02:23

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