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	00:38.25
2.	Lespring22	00:48.90
3.	llmt9	00:51.55
4.	JZE	01:00.93
5.	HackMan	01:22.24
6.	fishysua	01:26.93
7.	olwd	01:29.12
8.	Jorjess	01:32.15
9.	spen sp2	01:42.88
10.	nulka	02:04.87
11.	limima	02:07.56
12.	xilli	02:11.22
13.	Krikke1979	02:25.87
14.	FunAcroFly	02:37.29
15.	RTBStL	02:44.40
16.	Fjznbeinfnn	02:59.97
17.	Burrito12345	03:08.15
18.	widthofacircle	03:15.22
19.	Wuni14	03:19.85
20.	KingHeeSu	03:58.44

This Week
1.	thall	00:38.25
2.	Lespring22	00:48.90
3.	JZE	01:00.93
4.	HackMan	01:22.67
5.	olwd	01:29.12
6.	nulka	02:04.87
7.	RTBStL	02:44.40
8.	FunAcroFly	02:46.89
9.	widthofacircle	03:15.22
10.	--- empty ---	--:--
11.	--- empty ---	--:--
12.	--- empty ---	--:--
13.	--- empty ---	--:--
14.	--- empty ---	--:--
15.	--- empty ---	--:--
16.	--- empty ---	--:--
17.	--- empty ---	--:--
18.	--- empty ---	--:--
19.	--- empty ---	--:--
20.	--- empty ---	--:--

Today
1.	JZE	01:00.93
2.	RTBStL	02:44.40
3.	FunAcroFly	02:46.89
4.	widthofacircle	03:15.22
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.	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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2025-11-14 13:11:46

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