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.	EdenGameMaster	00:01.89
2.	JZE	00:02.55
3.	limima	00:08.49
4.	Educated-cat	00:08.62
5.	llmt9	00:09.32
6.	Fjznbeinfnn	00:09.35
7.	dynesonne	00:10.25
8.	CroMa	00:10.87
9.	HackMan	00:13.90
10.	spen sp2	00:14.96
11.	lanlan	00:15.06
12.	CieMichu	00:15.15
13.	Solus	00:15.31
14.	Jack Choi	00:15.46
15.	olwd	00:16.21
16.	Juicccccci	00:16.25
17.	onlinecreature	00:16.48
18.	FluffyFS	00:17.29
19.	katsudon	00:18.21
20.	tooyoung	00:19.50

This Week
1.	CroMa	00:10.87
2.	limima	00:12.82
3.	olwd	00:16.21
4.	HackMan	00:18.18
5.	Erica Skoglund	00:22.92
6.	cross	00:36.56
7.	knmidorika	01:46.59
8.	JaneyGuo	01:55.21
9.	KingHeeSu	03:12.99
10.	zzzazlzezxzzz	05:12.50
11.	SunnyRo	24d 20:31:23.64
12.	--- empty ---	--:--
13.	--- empty ---	--:--
14.	--- empty ---	--:--
15.	--- empty ---	--:--
16.	--- empty ---	--:--
17.	--- empty ---	--:--
18.	--- empty ---	--:--
19.	--- empty ---	--:--
20.	--- empty ---	--:--

Today
1.	HackMan	00:18.18
2.	--- empty ---	--:--
3.	--- empty ---	--:--
4.	--- empty ---	--:--
5.	--- empty ---	--:--
6.	--- empty ---	--:--
7.	--- empty ---	--:--
8.	--- empty ---	--:--
9.	--- empty ---	--:--
10.	--- empty ---	--:--
11.	--- empty ---	--:--
12.	--- empty ---	--:--
13.	--- empty ---	--:--
14.	--- empty ---	--:--
15.	--- empty ---	--:--
16.	--- empty ---	--:--
17.	--- empty ---	--:--
18.	--- empty ---	--:--
19.	--- empty ---	--:--
20.	--- empty ---	--:--

MO3
1.	nabi	00:02.56
2.	vowels	00:02.65
3.	BingBongBob	00:03.23
4.	numbrr	00:03.38
5.	jai22933	00:03.44
6.	anonymous	00:03.50
6.	JZE	00:03.50
8.	anonymous	00:03.53
9.	anonymous	00:03.66
10.	Douglas Shamlin Jr.	00:04.17

AO5
1.	nabi	00:02.76
2.	vowels	00:02.87
3.	BingBongBob	00:03.43
4.	anonymous	00:03.55
5.	numbrr	00:03.60
6.	anonymous	00:03.63
7.	anonymous	00:03.72
8.	jai22933	00:03.75
9.	JZE	00:04.43
10.	Douglas Shamlin Jr.	00:04.45

AO12
1.	nabi	00:02.96
2.	vowels	00:03.32
3.	BingBongBob	00:03.94
4.	jai22933	00:04.04
5.	anonymous	00:04.09
6.	anonymous	00:04.17
7.	numbrr	00:04.55
8.	Douglas Shamlin Jr.	00:05.00
9.	qqwref	00:05.64
10.	Make	00:05.96

Robots / programmatic solvers		info
1.	tlstyer	00:00.006
2.	jllachan	00:00.493
3.	BertinSylux98	00:00.642

* 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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2025-11-01 05:57:22

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