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. thall
62
 00:24.94
2. yebbo 00:36.22
3. tuberculosis
107
 00:40.20
4. MushroomsCavern
79
 00:45.17
5. stemvork 00:45.40
6. spen sp2
41
 00:45.81
7. tworivers
40
 00:51.13
8. llmt9
93
 00:52.70
9. Iceberg9 00:59.02
10. Beastinboston
54
 01:12.32
11. Kutner17
155
 01:32.88
12. Availle 01:34.78
13. mamawilma
91
 01:50.66
14. Fynnster48 01:51.71
15. StangBecak 01:58.22
16. Yunteacher
33
 01:58.62
17. GoldChoco36
155
 02:04.95
18. ava1
1
 02:04.99
19. firosibe
23
 02:07.59
20. Jorjess
30
 02:10.07
This Week
1. yebbo 00:38.17
2. Iceberg9 00:59.02
3. mamawilma
91
 01:50.66
4. Kimon 02:11.22
5. Harry_Canyon
141
 02:25.70
6. Veronica M
19
 02:27.11
7. Nieznany 02:52.82
8. leianimelover
3
 03:09.96
9. zelle
3
 03:36.27
10. Cricketwithagun
26
 03:47.65
11. daisyisaflower 04:27.12
12. lulusgirlfriend
8
 06:21.31
13. almalesbiana 09:12.06
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Today
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MO3
1. Douglas Shamlin Jr.
720
 00:14.28
2. nabi
92
 00:15.73
3. numbrr
317
 00:18.32
4. BingBongBob
108
 00:19.82
5. vowels
216
 00:21.83
6. Joshua Zhang [Studen...
8
 00:22.57
7. Make
281
 00:23.69
8. jai22933
23
 00:24.54
9. thall
62
 00:25.10
10. qqwref
266
 00:25.55
AO5
1. Douglas Shamlin Jr.
720
 00:14.96
2. nabi
92
 00:16.49
3. numbrr
317
 00:19.21
4. BingBongBob
108
 00:19.98
5. vowels
216
 00:22.17
6. Joshua Zhang [Studen...
8
 00:23.06
7. Make
281
 00:24.78
8. jai22933
23
 00:25.09
9. qqwref
266
 00:26.34
10. thall
62
 00:26.44
AO12
1. Douglas Shamlin Jr.
720
 00:16.47
2. nabi
92
 00:19.36
3. numbrr
317
 00:20.92
4. BingBongBob
108
 00:21.05
5. vowels
216
 00:24.20
6. Make
281
 00:25.53
7. jai22933
23
 00:26.96
8. qqwref
266
 00:27.68
9. thall
62
 00:28.83
10. Joshua Zhang [Studen...
8
 00:28.84
Robots / programmatic solversinfo  
1.tlstyer
148
00:00.007
2.jllachan00:00.483
3.BertinSylux98
34
00:00.835

* 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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