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. Adorae
85
 00:30.75
2. llmt9
95
 00:36.46
3. MushroomsCavern
86
 00:37.27
4. OGPartyGirl
47
 00:41.52
5. spen sp2
43
 00:44.94
6. yebbo 00:46.85
7. nonofun1
41
 01:03.43
8. OliverA 01:15.02
9. daebreaker 01:27.01
10. MrNyooooom
8
 01:34.92
11. Annerose
7
 01:38.49
12. GuianaCutie
8
 01:47.50
13. Iceberg9 01:54.64
14. pepehasthelogic 01:54.89
15. StangBecak 02:22.27
16. Eskimosnake
113
 02:24.88
17. floomsi
17
 02:32.08
18. Yunteacher
35
 02:37.14
19. DougP 02:49.36
20. enoemoS
4
 02:55.02
This Week
1. llmt9
95
 00:36.46
2. nonofun1
41
 01:15.40
3. daebreaker 01:27.01
4. Annerose
7
 01:38.49
5. Iceberg9 01:54.64
6. Eskimosnake
113
 02:24.88
7. Malahitori
5
 03:08.51
8. zelle
5
 03:13.92
9. Toonm 03:27.45
10. mielan1 03:37.70
11. leo1999
24
 04:02.10
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Today
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MO3
1. nabi
92
 00:18.24
2. numbrr
320
 00:18.74
3. vowels
216
 00:18.90
4. BingBongBob
108
 00:22.37
5. Make
282
 00:24.02
6. qqwref
266
 00:24.40
7. jai22933
23
 00:26.58
8. SilverHawk
216
 00:26.59
9. daanbe
236
 00:27.82
10. IzAlexandre2
114
 00:29.87
AO5
1. nabi
92
 00:19.01
2. vowels
216
 00:20.64
3. numbrr
320
 00:20.89
4. BingBongBob
108
 00:23.76
5. Make
282
 00:24.49
6. qqwref
266
 00:26.89
7. daanbe
236
 00:27.82
8. SilverHawk
216
 00:29.07
9. IzAlexandre2
114
 00:31.39
10. boru
128
 00:31.71
AO12
1. nabi
92
 00:20.19
2. numbrr
320
 00:24.88
3. vowels
216
 00:26.82
4. Make
282
 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
236
 00:34.56
Robots / programmatic solversinfo  
1.tlstyer
148
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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