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. nallie
38
 03:16.66
2. PheromoneJones 03:33.00
3. Lespring22 04:42.22
4. OliverA 04:48.08
5. spen sp2
63
 04:56.09
6. Adorae
96
 05:08.76
7. pandabiubiu
102
 05:57.71
8. tworivers
44
 07:05.81
9. Menna
24
 09:21.53
10. agrayperspectiv 09:23.04
11. 김지민1
1
 09:29.88
12. Ernie A.
109
 11:59.66
13. theautumnbells
23
 12:10.71
14. css861 12:15.47
15. lineymist
31
 13:15.07
16. Edash
147
 14:23.78
17. yorcho
88
 14:37.63
18. mamawilma
99
 16:13.85
19. THEmary
10
 19:03.17
20. dheodbgrr 31:53.11
This Week
1. OliverA 04:49.59
2. pandabiubiu
102
 05:57.71
3. Menna
24
 09:21.53
4. Ernie A.
109
 11:59.66
5. yorcho
88
 14:37.63
6. mamawilma
99
 16:29.74
7. THEmary
10
 19:03.17
8. sandrovka
20
 44:33.93
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Today
1. pandabiubiu
102
 08:12.78
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MO3
1. numbrr
321
 01:45.66
2. nabi
92
 01:49.50
3. Timitz
23
 01:50.62
4. Make
286
 01:57.85
5. daanbe
238
 02:42.47
6. qqwref
266
 02:44.21
7.anonymous
123
 02:57.38
8. SilverHawk
216
 03:00.97
9. vx14
184
 03:02.40
10. Ola Lenik
77
 03:06.54
AO5
1. numbrr
321
 01:53.28
2. nabi
92
 01:54.08
3. Make
286
 02:03.39
4. Timitz
23
 02:13.04
5. qqwref
266
 02:52.46
6. daanbe
238
 02:56.59
7. vx14
184
 03:02.40
8. SilverHawk
216
 03:03.57
9.anonymous
123
 03:07.67
10. LittlePiggy
83
 03:12.40
AO12
1. numbrr
321
 01:59.69
2. nabi
92
 02:01.22
3. Make
286
 02:11.53
4. Timitz
23
 02:49.60
5. qqwref
266
 02:57.25
6. SilverHawk
216
 03:04.78
7. daanbe
238
 03:14.09
8. vx14
184
 03:17.70
9. Ola Lenik
77
 03:20.50
10.anonymous
123
 03:25.87
Robots / programmatic solversinfo  
1.tlstyer
151
00:00.015
2.jllachan00:00.495
3.BertinSylux98
34
00:02.885

* 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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