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
104
 00:29.15
2. spen sp2
69
 00:41.98
3. paopumoon 01:00.13
4. nonofun1
43
 01:02.52
5. crema
277
 01:02.92
6. Kaci
12
 01:03.75
7. SA5838 01:06.42
8. fayesolayao
3
 01:08.43
9. Puninos
80
 01:09.25
10. Lokiskind
1
 02:03.39
11. frafrimb 02:13.80
12. Demeris 02:15.69
13. 보믈고
48
 02:25.50
14. GoldChoco36
175
 02:27.25
15. xilli 02:28.62
16. bellsdotcom 03:10.24
17. Toonm 04:13.93
18. SergioR
29
 04:18.65
19. unko
32
 04:31.28
20. qobi
243
 05:09.50
This Week
1. llmt9
104
 00:29.15
2. spen sp2
69
 01:00.28
3. crema
277
 01:02.92
4. SA5838 01:15.55
5. nonofun1
43
 01:33.10
6. frafrimb 02:13.80
7. Lokiskind
1
 03:05.31
8. bellsdotcom 03:10.24
9. xilli 03:41.87
10. Toonm 04:13.93
11. NoriFoggy 05:21.10
12. zaan62
3
 05:32.69
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Today
1. llmt9
104
 00:29.15
2. spen sp2
69
 01:00.28
3. NoriFoggy 05:21.10
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6.--- empty -----:--
7.--- empty -----:--
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10.--- empty -----:--
11.--- empty -----:--
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MO3
1. nabi
92
 00:18.24
2. numbrr
326
 00:18.74
3. vowels
216
 00:18.90
4. BingBongBob
108
 00:22.37
5. Make
288
 00:24.02
6. qqwref
266
 00:24.40
7. jaybrainer
284
 00:25.98
8. jai22933
23
 00:26.58
9. SilverHawk
216
 00:26.59
10. daanbe
242
 00:27.82
AO5
1. nabi
92
 00:19.01
2. vowels
216
 00:20.64
3. numbrr
326
 00:20.89
4. BingBongBob
108
 00:23.76
5. Make
288
 00:24.49
6. qqwref
266
 00:26.89
7. daanbe
242
 00:27.82
8. SilverHawk
216
 00:29.07
9. jaybrainer
284
 00:29.42
10. IzAlexandre2
114
 00:31.39
AO12
1. nabi
92
 00:20.19
2. numbrr
326
 00:24.88
3. vowels
216
 00:26.82
4. Make
288
 00:27.08
5. BingBongBob
108
 00:27.58
6. qqwref
266
 00:29.11
7. SilverHawk
216
 00:31.29
8. jaybrainer
284
 00:31.44
9. IzAlexandre2
114
 00:32.79
10. jai22933
23
 00:34.22
Robots / programmatic solversinfo  
1.tlstyer
156
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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