Hitori


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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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Hitori


5x5 Easy Hitori | 5x5 Normal Hitori | 5x5 Hard Hitori | 10x10 Easy Hitori | 10x10 Normal Hitori | 10x10 Hard Hitori | 15x15 Easy Hitori | 15x15 Normal Hitori | 15x15 Hard Hitori | 20x20 Easy Hitori | 20x20 Normal Hitori | 20x20 Hard Hitori

This Month
1. Lespring22 02:28.28
2. stemvork 02:47.83
3. mmmoongoddess
133
03:12.95
4. tworivers
35
03:28.16
5. css861 04:46.17
6. ChiefOsceola 04:59.16
7. SirHumphrey 08:36.67
8. HackMan
106
17:37.88
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This Week
1. tworivers
35
03:28.16
2. mmmoongoddess
133
04:08.89
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Today
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MO3
1. nabi
92
00:48.32
2. numbrr
297
00:49.33
3. Make
272
01:01.00
4. qqwref
259
01:11.83
5. Douglas Shamlin Jr.
692
01:22.40
6. vx14
148
01:23.64
7. SilverHawk
208
01:24.09
8. IzAlexandre2
114
01:24.53
9. beatrixwashere
102
01:29.37
10. LittlePiggy
78
01:30.50
AO5
1. nabi
92
00:48.32
2. numbrr
297
00:50.66
3. Make
272
01:00.81
4. qqwref
259
01:09.90
5. Douglas Shamlin Jr.
692
01:24.65
6. SilverHawk
208
01:25.86
7. IzAlexandre2
114
01:27.31
8. vx14
148
01:29.60
9. LittlePiggy
78
01:33.20
10. boru
103
01:33.50
AO12
1. nabi
92
00:52.40
2. numbrr
297
00:57.75
3. Make
272
01:08.18
4. qqwref
259
01:14.36
5. SilverHawk
208
01:28.95
6. IzAlexandre2
114
01:32.30
7. vx14
148
01:34.66
8. LittlePiggy
78
01:39.93
9. TGOokami
163
01:40.60
10. boru
103
01:41.97
Robots / programmatic solversinfo  
1.tlstyer
120
00:00.009
2.jllachan00:00.492
3.BertinSylux98
34
00:01.359

* 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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2025-07-01 05:45:37

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