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
98
 00:06.08
2. Kukko
179
 00:06.95
3. Annerose
24
 00:09.42
4. eliii
4
 00:14.14
5. mamawilma
95
 00:15.39
6. NaluXV1 00:16.22
7. redbag
37
 00:17.34
8. SWICT
71
 00:18.78
9. Puninos
71
 00:19.37
10. Einsteinus
122
 00:22.78
11. congconglj 00:27.10
12. frafrimb 00:30.26
13. Techloart
37
 00:34.81
14. mis2ki
13
 00:59.02
15. PawDub
53
 01:00.40
16. Robert A
22
 01:17.04
17. Joris Brouwer
44
 01:25.06
18. Uthor 17d 20:23:22.92
19.--- empty -----:--
20.--- empty -----:--
This Week
1. llmt9
98
 00:06.08
2. NaluXV1 00:16.22
3. Einsteinus
122
 00:22.78
4. mamawilma
95
 01:11.61
5. Robert A
22
 01:17.04
6. Joris Brouwer
44
 01:25.06
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Today
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MO3
1. nabi
92
 00:02.41
2. vowels
216
 00:02.66
2. BingBongBob
108
 00:02.66
4. jai22933
23
 00:02.70
5.anonymous
5
 00:03.32
6. numbrr
321
 00:03.76
7. haramey
239
 00:04.74
8.anonymous
14
 00:04.96
9. daanbe
237
 00:05.21
10.anonymous
10
 00:05.36
AO5
1. nabi
92
 00:02.58
2. BingBongBob
108
 00:02.74
3. vowels
216
 00:03.02
4. jai22933
23
 00:03.04
5.anonymous
5
 00:03.35
6. numbrr
321
 00:04.26
7. haramey
239
 00:05.29
8. daanbe
237
 00:05.41
9. Make
284
 00:06.00
10. IzAlexandre2
114
 00:06.20
AO12
1. nabi
92
 00:02.95
2. BingBongBob
108
 00:03.08
3. vowels
216
 00:03.94
4. jai22933
23
 00:04.05
5.anonymous
5
 00:04.34
6. numbrr
321
 00:05.18
7. daanbe
237
 00:06.17
8. IzAlexandre2
114
 00:06.85
9. qqwref
266
 00:07.00
10. Make
284
 00:07.06
Robots / programmatic solversinfo  
1.tlstyer
150
00:00.006
2.jllachan00:00.496
3.BertinSylux98
34
00:00.639

* 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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