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. beatrixwashere
119
 01:44.98
2. Vgcl3m 02:04.07
3. tuberculosis
106
 02:18.60
4. llmt9
93
 02:19.00
5. SudokuFan
36
 02:32.59
6. spen sp2
39
 02:47.43
7. Taco1717
82
 02:50.85
8. OliverA 03:04.40
9. stemvork 03:21.82
10. tworivers
40
 04:44.46
11. hq4hq
136
 04:54.52
12. Iceberg9 08:25.28
13. ktaklearns 08:44.61
14. 67676
15
 10:20.08
15. Beastinboston
52
 10:36.38
16. cancan 12:19.91
17. Summane
89
 13:25.97
18. IrkoPixel
50
 13:48.77
19. chinmi 14:40.14
20. SophieInvernizzi
8
 20:10.06
This Week
1. beatrixwashere
119
 01:44.98
2. llmt9
93
 02:19.00
3. spen sp2
39
 02:47.43
4. Summane
89
 17:04.24
5. SophieInvernizzi
8
 20:10.06
6. IrkoPixel
50
 23:17.31
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Today
1. SophieInvernizzi
8
 20:10.06
2. Summane
89
 28:07.67
3.--- empty -----:--
4.--- empty -----:--
5.--- empty -----:--
6.--- empty -----:--
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8.--- empty -----:--
9.--- empty -----:--
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MO3
1. nabi
92
 01:00.52
2. numbrr
315
 01:08.09
3. Make
280
 01:25.18
4. qqwref
266
 01:28.53
5. IzAlexandre2
114
 01:44.10
6. hkjsf
158
 01:50.71
7. llmt9
93
 01:51.05
8. distracted
143
 01:53.06
9. vx14
181
 01:57.55
10. LittlePiggy
83
 02:00.28
AO5
1. nabi
92
 01:07.48
2. numbrr
315
 01:10.69
3. Make
280
 01:30.57
4. qqwref
266
 01:30.58
5. BingBongBob
108
 01:34.88
6. IzAlexandre2
114
 01:52.90
7. llmt9
93
 01:58.23
8. hkjsf
158
 01:59.41
9. LittlePiggy
83
 02:00.28
10. TGOokami
166
 02:01.64
AO12
1. numbrr
315
 01:27.29
2. nabi
92
 01:34.21
3. Make
280
 01:39.65
4. qqwref
266
 01:54.54
5. IzAlexandre2
114
 02:09.54
6. vx14
181
 02:18.25
7. llmt9
93
 02:25.88
8. LittlePiggy
83
 02:28.49
9. SilverHawk
216
 02:29.70
10. TGOokami
166
 02:31.82
Robots / programmatic solversinfo  
1.tlstyer
145
00:00.012
2.jllachan00:00.491
3.BertinSylux98
34
00:01.349

* 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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