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.

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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. gtkrouwel
137
 00:28.26
2. llmt9
98
 00:35.41
3. Kukko
179
 00:35.77
4. OGPartyGirl
57
 00:43.65
5. itsleviOsanotlevioSA
24
 00:45.64
6. spen sp2
52
 00:53.41
7. nonofun1
41
 00:56.57
8. Annerose
24
 01:17.38
9. SarielOlesiak
8
 01:28.97
10. SA5838 01:38.36
11. Irisa
169
 01:52.15
12. THEmary
9
 01:57.88
13. mamawilma
95
 01:58.85
14. floomsi
17
 02:22.12
15. mielan1 02:23.63
16. minionman 02:36.83
17. Lokiskind
1
 02:37.12
18. DougP 02:44.46
19. frtnc
115
 03:08.67
20. Toonm 03:26.75
This Week
1. llmt9
98
 00:38.45
2. spen sp2
52
 00:57.97
3. SarielOlesiak
8
 01:28.97
4. SA5838 01:38.36
5. Irisa
169
 01:52.15
6. mamawilma
95
 01:58.85
7. THEmary
9
 02:06.59
8. mielan1 02:38.56
9. Joris Brouwer
44
 06:43.89
10. XSlay
18
 09:40.69
11. Robert A
22
 21:48:26.75
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Today
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MO3
1. nabi
92
 00:18.24
2. numbrr
321
 00:18.74
3. vowels
216
 00:18.90
4. BingBongBob
108
 00:22.37
5. Make
284
 00:24.02
6. qqwref
266
 00:24.40
7. jai22933
23
 00:26.58
8. SilverHawk
216
 00:26.59
9. daanbe
237
 00:27.82
10. IzAlexandre2
114
 00:29.87
AO5
1. nabi
92
 00:19.01
2. vowels
216
 00:20.64
3. numbrr
321
 00:20.89
4. BingBongBob
108
 00:23.76
5. Make
284
 00:24.49
6. qqwref
266
 00:26.89
7. daanbe
237
 00:27.82
8. SilverHawk
216
 00:29.07
9. IzAlexandre2
114
 00:31.39
10. boru
131
 00:31.71
AO12
1. nabi
92
 00:20.19
2. numbrr
321
 00:24.88
3. vowels
216
 00:26.82
4. Make
284
 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. daanbe
237
 00:34.56
Robots / programmatic solversinfo  
1.tlstyer
150
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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