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

New Puzzle
This Month
1. lilyofthevalley 02:56.10
2. lukegr 02:58.63
3. llmt9
103
 03:27.62
4. nallie
47
 03:55.15
5. Dorice
273
 05:16.86
6. IWantACoolName
8
 05:18.98
7. spen sp2
68
 05:28.00
8. salome 06:26.89
9. Lespring22 06:43.90
10. stemvork 08:59.39
11. lv1208
7
 13:02.06
12. ktaklearns 18:12.60
13. Irisa
181
 18:31.78
14. Bhaskar 23:49.05
15. mamawilma
105
 24:03.01
16. BESSUN
2
 26:27.44
17. Flo.123
13
 34:47.46
18. Summane
93
 41:50.88
19. AKoolKat 50:02.82
20. A3ngus 1:06:23.60
This Week
1. lukegr 02:58.63
2. llmt9
103
 03:27.62
3. IWantACoolName
8
 05:18.98
4. spen sp2
68
 05:42.99
5. lv1208
7
 13:02.06
6. BESSUN
2
 26:27.44
7. mamawilma
105
 35:16.81
8. Summane
93
 41:50.88
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Today
1. lv1208
7
 13:02.06
2.--- empty -----:--
3.--- empty -----:--
4.--- empty -----:--
5.--- empty -----:--
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MO3
1. numbrr
323
 02:15.88
2. nabi
92
 02:26.69
3. Make
288
 02:48.50
4. daanbe
240
 03:16.50
5. qqwref
266
 03:24.96
6. wecestca2
113
 03:28.85
7. Adorae
96
 03:30.77
8. Ola Lenik
77
 03:38.39
9. vx14
184
 03:38.61
10. SilverHawk
216
 03:39.89
AO5
1. numbrr
323
 02:33.89
2. nabi
92
 02:47.41
3. Make
288
 02:53.22
4. Adorae
96
 03:27.89
5. qqwref
266
 03:33.95
6. daanbe
240
 03:38.16
7. Ola Lenik
77
 03:39.52
8. wecestca2
113
 03:43.57
9. vx14
184
 03:43.71
10. IzAlexandre2
114
 03:48.39
AO12
1. nabi
92
 02:52.95
2. numbrr
323
 02:53.95
3. Make
288
 03:08.88
4. Adorae
96
 03:40.53
5. daanbe
240
 04:02.34
6. Ola Lenik
77
 04:04.26
7. qqwref
266
 04:11.05
8. vx14
184
 04:13.25
9. itskiwi
59
 04:19.24
10. wecestca2
113
 04:21.69
Robots / programmatic solversinfo  
1.tlstyer
153
00:00.019
2.jllachan00:00.494
3.BertinSylux98
34
00:02.834

* 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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