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
99
 00:06.07
2. MushroomsCavern
105
 00:07.28
3. Kukko
179
 00:07.46
4. iftheshoefish
21
 00:19.78
5. eliii
5
 00:21.68
6. Irisa
170
 00:22.22
7. FunAcroFly
137
 00:23.02
8. mielan1 00:27.34
9. Lespring22 00:27.98
10. koogel
26
 00:34.41
11. Techloart
37
 00:42.73
12. frafrimb 00:44.75
13. mamawilma
96
 00:55.05
14. Robert A
22
 01:21.12
15. Joris Brouwer
44
 01:32.39
16. aguacate
5
 01:50.00
17. Rimisy
5
 02:13.55
18. narugoo
5
 03:28.39
19. Uthor 6d 12:33:55.95
20.--- empty -----:--
This Week
1. MushroomsCavern
105
 00:07.28
2. llmt9
99
 00:07.31
3. FunAcroFly
137
 00:23.02
4. aguacate
5
 01:50.00
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Today
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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
270
 00:05.30
9. daanbe
237
 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
237
 00:05.97
8. qqwref
266
 00:06.32
9. MushroomsCavern
105
 00:06.48
10. jaybrainer
270
 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
237
 00:07.07
8. IzAlexandre2
114
 00:07.46
9. jaybrainer
270
 00:07.77
10. qqwref
266
 00:07.97
Robots / programmatic solversinfo  
1.tlstyer
150
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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