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.	thall	01:36.93
2.	llmt9	01:53.14
3.	Educated-cat	02:42.04
4.	lanlan	03:10.88
5.	css861	03:37.33
6.	SirHumphrey	03:56.51
7.	spen sp2	04:01.87
8.	pythagora	04:30.67
9.	Wuni14	05:32.06
10.	fishysua	05:51.06
11.	FunAcroFly	05:58.53
12.	slyguy519	06:17.94
13.	frtnc	06:21.70
14.	Krikke1979	07:12.69
15.	Ariadna	07:28.99
16.	SA5838	07:29.62
17.	saolei6404	10:34.62
18.	marvertin	39:48.25
19.	--- empty ---	--:--
20.	--- empty ---	--:--

This Week
1.	css861	03:37.33
2.	SirHumphrey	03:56.51
3.	pythagora	04:41.16
4.	Wuni14	05:32.06
5.	fishysua	05:51.06
6.	marvertin	39:48.25
7.	--- empty ---	--:--
8.	--- empty ---	--:--
9.	--- empty ---	--:--
10.	--- empty ---	--:--
11.	--- empty ---	--:--
12.	--- empty ---	--:--
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18.	--- empty ---	--:--
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20.	--- empty ---	--:--

Today
1.	pythagora	04:56.79
2.	marvertin	39:48.25
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.	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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2025-11-04 16:10:53

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