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. stemvork 02:58.73
2. llmt9
81
03:15.61
3. Lespring22 03:17.99
4. Edash
127
07:38.95
5. ktaklearns 12:24.00
6. Summane
79
14:06.28
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This Week
1. ktaklearns 14:30.15
2. Summane
79
18:08.60
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Today
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MO3
1. nabi
92
01:00.52
2. numbrr
297
01:08.09
3. Make
272
01:25.18
4. qqwref
259
01:28.53
5. IzAlexandre2
114
01:44.10
6. llmt9
81
01:51.05
7. distracted
136
01:53.06
8. vx14
148
01:57.55
9. LittlePiggy
78
02:00.28
10. BingBongBob
108
02:00.48
AO5
1. nabi
92
01:07.48
2. numbrr
297
01:10.69
3. Make
272
01:30.57
4. qqwref
259
01:30.58
5. BingBongBob
108
01:34.88
6. IzAlexandre2
114
01:52.90
7. llmt9
81
01:58.23
8. LittlePiggy
78
02:00.28
9. TGOokami
163
02:01.64
10. vx14
148
02:09.89
AO12
1. numbrr
297
01:27.29
2. nabi
92
01:34.21
3. Make
272
01:39.65
4. qqwref
259
01:54.54
5. IzAlexandre2
114
02:09.54
6. vx14
148
02:18.25
7. llmt9
81
02:25.88
8. LittlePiggy
78
02:28.49
9. SilverHawk
208
02:29.70
10. TGOokami
163
02:31.82
Robots / programmatic solversinfo  
1.tlstyer
120
00:00.012
2.jllachan00:00.491
3.BertinSylux98
34
00:01.349

* 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 04:17:37

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