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.

Video Tutorial
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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. llmt9
96
 00:06.54
2. Eskimosnake
113
 00:06.63
3. OGPartyGirl
52
 00:07.88
4. Solus
38
 00:10.97
5. leo1999
24
 00:11.41
6. crema
271
 00:12.03
7. MushroomsCavern
93
 00:12.10
8. Truth-or-Peace
136
 00:14.50
9. xc0xupx
47
 00:21.32
10. eliii 00:32.48
11. NoriFoggy 00:35.59
12. SWICT
65
 00:41.67
13. sterequish
59
 00:42.80
14. mielan1 00:43.98
15. Linzi1996
5
 00:45.75
16. lulusgirlfriend
13
 00:46.40
17. Iceberg9 00:48.04
18. Emfine
58
 00:51.34
19. Macy
61
 00:54.20
20. iftheshoefish
10
 01:59.04
This Week
1. llmt9
96
 00:07.96
2. Solus
38
 00:10.97
3. MushroomsCavern
93
 00:12.10
4. xc0xupx
47
 00:21.32
5. eliii 00:32.48
6. SWICT
65
 00:41.67
7. mielan1 00:46.92
8. PawDub
52
 02:23.50
9. narugoo
4
 03:28.39
10. Uthor 24d 20:31:23.64
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Today
1. llmt9
96
 00:09.46
2. eliii 00:32.48
3. narugoo
4
 03:28.39
4.--- empty -----:--
5.--- empty -----:--
6.--- empty -----:--
7.--- empty -----:--
8.--- empty -----:--
9.--- empty -----:--
10.--- empty -----:--
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MO3
1. nabi
92
 00:02.34
2. vowels
216
 00:02.63
3. BingBongBob
108
 00:02.79
4.anonymous
5
 00:03.49
5. jai22933
23
 00:03.90
6. numbrr
321
 00:03.92
7.anonymous
14
 00:04.62
8. jaybrainer
266
 00:05.30
9. daanbe
236
 00:05.48
10. qqwref
266
 00:06.12
AO5
1. nabi
92
 00:02.71
2. vowels
216
 00:02.87
3. BingBongBob
108
 00:02.93
4.anonymous
5
 00:03.59
5. numbrr
321
 00:03.73
6. jai22933
23
 00:03.92
7. daanbe
236
 00:05.97
8. qqwref
266
 00:06.32
9. MushroomsCavern
93
 00:06.48
10. jaybrainer
266
 00:06.66
AO12
1. nabi
92
 00:02.98
2. BingBongBob
108
 00:03.41
3. vowels
216
 00:03.70
4.anonymous
5
 00:04.08
5. jai22933
23
 00:04.32
6. numbrr
321
 00:04.34
7. daanbe
236
 00:07.07
8. IzAlexandre2
114
 00:07.46
9. jaybrainer
266
 00:07.77
10. qqwref
266
 00:07.97
Robots / programmatic solversinfo  
1.tlstyer
148
00:00.006
2.jllachan00:00.490
3.BertinSylux98
34
00:00.658

* 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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