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. numbrr
316
 00:16.96
2. yebbo 00:42.73
3. spen sp2
41
 00:44.94
4. stemvork 00:45.78
5. OGPartyGirl
35
 00:47.78
6. Lespring22 00:50.79
7. MushroomsCavern
77
 00:51.95
8. vicadancerr
27
 00:54.62
9. SudokuFan
38
 00:57.51
10. llmt9
93
 00:59.44
11. nerdvert
100
 01:02.56
12. tworivers
40
 01:12.09
13. OliverA 01:15.02
14. nonofun1
40
 01:22.04
15. vichibrax 01:34.66
16. SA5838 01:41.70
17. Beastinboston
53
 01:44.11
18. 67676
16
 01:44.50
19. daebreaker 01:45.01
20. GuianaCutie
8
 01:47.50
This Week
1. spen sp2
41
 00:54.60
2. llmt9
93
 00:59.44
3. OliverA 01:15.02
4. nonofun1
40
 01:22.04
5. daebreaker 01:45.01
6. GuianaCutie
8
 01:47.50
7. enoemoS
4
 02:55.02
8. zelle 04:10.96
9. THEmary
5
 04:11.48
10. Toonm 04:16.22
11. mamawilma
90
 08:11.36
12. VersionLP 16:46.83
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Today
1. GuianaCutie
8
 01:47.50
2. THEmary
5
 04:11.48
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4.--- empty -----:--
5.--- empty -----:--
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MO3
1. nabi
92
 00:18.24
2. numbrr
316
 00:18.74
3. vowels
216
 00:18.90
4. BingBongBob
108
 00:22.37
5. Make
281
 00:24.02
6. qqwref
266
 00:24.40
7. jai22933
23
 00:26.58
8. SilverHawk
216
 00:26.59
9. IzAlexandre2
114
 00:29.87
10. boru
128
 00:31.30
AO5
1. nabi
92
 00:19.01
2. vowels
216
 00:20.64
3. numbrr
316
 00:20.89
4. BingBongBob
108
 00:23.76
5. Make
281
 00:24.49
6. qqwref
266
 00:26.89
7. SilverHawk
216
 00:29.07
8. IzAlexandre2
114
 00:31.39
9. boru
128
 00:31.71
10. jai22933
23
 00:31.97
AO12
1. nabi
92
 00:20.19
2. numbrr
316
 00:24.88
3. vowels
216
 00:26.82
4. Make
281
 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. boru
128
 00:37.05
Robots / programmatic solversinfo  
1.tlstyer
147
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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