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. iqyMeow 00:06.67
2. platypuspen
9
 00:07.14
3. Vgcl3m 00:08.88
4. MushroomsCavern
69
 00:10.03
5. chunguslol
2
 00:11.00
6. stemvork 00:11.09
7. Beastinboston
52
 00:11.64
8. vichibrax 00:11.79
9. crema
266
 00:12.71
10. vlash 00:13.19
11. SudokuFan
36
 00:18.34
12. Cytrus 00:20.84
13. spen sp2
28
 00:30.28
14. Berny 00:32.95
15. Rimberlie
2
 00:33.39
16. Kenobi 00:34.33
17. Yunteacher
29
 00:35.22
18. AndrewTeng00729
8
 00:36.57
19. aydanfr 00:37.53
20. Kanjana04
2
 00:37.79
This Week
1. MushroomsCavern
69
 00:10.03
2. stemvork 00:11.09
3. Beastinboston
52
 00:11.64
4. Thegroover 00:55.11
5. berrosko
4
 01:05.99
6. Uthor 17d 04:52:42.47
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Today
1.--- empty -----:--
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3.--- empty -----:--
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5.--- 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
315
 00:03.92
7.anonymous
14
 00:04.62
8. jaybrainer
260
 00:05.30
9. qqwref
266
 00:06.12
10. IzAlexandre2
114
 00:06.41
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
315
 00:03.73
6. jai22933
23
 00:03.92
7. qqwref
266
 00:06.32
8. jaybrainer
260
 00:06.66
9. SilverHawk
216
 00:06.67
10. IzAlexandre2
114
 00:06.73
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
315
 00:04.34
7. IzAlexandre2
114
 00:07.46
8. jaybrainer
260
 00:07.77
9. qqwref
266
 00:07.97
10. SilverHawk
216
 00:08.25
Robots / programmatic solversinfo  
1.tlstyer
144
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.
You need to be logged in to track your averages

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