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. nallie
45
 00:31.39
2. thall
66
 00:31.91
3. Lore1 00:37.97
4. lukegr 00:42.99
5. tworivers
44
 01:04.93
6. SA5838 01:08.36
7. paopumoon 01:12.82
8. nonofun1
42
 01:12.85
9. crema
274
 01:12.95
10. Lua
166
 01:16.89
11. stemvork 01:17.22
12. iftheshoefish
34
 01:22.15
13. FrancoCabrera
9
 01:24.86
14. THEmary
10
 01:38.44
15. css861 01:40.47
16. mamawilma
101
 01:50.11
17. Ernie A.
109
 01:53.94
18. Lokiskind
1
 02:02.04
19. mielan1 02:18.49
20. Demeris 02:26.48
This Week
1. Lore1 00:37.97
2. tworivers
44
 01:04.93
3. paopumoon 01:12.82
4. stemvork 01:17.22
5. SA5838 01:17.93
6. FrancoCabrera
9
 02:04.75
7. css861 02:07.04
8. Lokiskind
1
 02:31.23
9. mielan1 03:29.83
10. Sophiewangwang 07:23.57
11. Uthor 24d 20:31:23.64
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Today
1. SA5838 01:33.27
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MO3
1. nabi
92
 00:18.24
2. numbrr
322
 00:18.74
3. vowels
216
 00:18.90
4. BingBongBob
108
 00:22.37
5. Make
286
 00:24.02
6. qqwref
266
 00:24.40
7. jai22933
23
 00:26.58
8. SilverHawk
216
 00:26.59
9. daanbe
239
 00:27.82
10. IzAlexandre2
114
 00:29.87
AO5
1. nabi
92
 00:19.01
2. vowels
216
 00:20.64
3. numbrr
322
 00:20.89
4. BingBongBob
108
 00:23.76
5. Make
286
 00:24.49
6. qqwref
266
 00:26.89
7. daanbe
239
 00:27.82
8. SilverHawk
216
 00:29.07
9. IzAlexandre2
114
 00:31.39
10. boru
132
 00:31.71
AO12
1. nabi
92
 00:20.19
2. numbrr
322
 00:24.88
3. vowels
216
 00:26.82
4. Make
286
 00:27.08
5. BingBongBob
108
 00:27.58
6. qqwref
266
 00:29.11
7. SilverHawk
216
 00:31.29
8. IzAlexandre2
114
 00:32.79
9. jai22933
23
 00:34.22
10. daanbe
239
 00:34.56
Robots / programmatic solversinfo  
1.tlstyer
151
00:00.008
2.jllachan00:00.491
3.BertinSylux98
34
00:00.858

* 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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