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. atsra
14
 00:02.65
2. PheromoneJones 00:07.22
3. paopumoon 00:07.37
4. vichibrax 00:09.79
5. PieterBasje
38
 00:10.42
6. 67676
22
 00:10.47
7. AndyHu
12
 00:10.66
8. Kaci
4
 00:10.87
9. effek05
68
 00:11.00
10. IanTheG
26
 00:12.57
11. stemvork 00:12.78
12. GoldChoco36
172
 00:13.05
13. Lore1 00:13.09
14. Oryn
192
 00:13.98
15. FastFreddy
27
 00:14.08
16. Macy
64
 00:14.44
17. unko
27
 00:14.98
18. Hahllyicssa
49
 00:15.75
19. otaldieguito
4
 00:16.45
20. lv1208
8
 00:16.93
This Week
1. atsra
14
 00:02.65
2. PheromoneJones 00:07.22
3. Kaci
4
 00:10.87
4. vichibrax 00:11.76
5. unko
27
 00:14.98
6. magarner
58
 00:18.27
7. gravitywind
82
 00:22.87
8. SergioR
27
 00:31.70
9. PaulFrisk 00:32.19
10. hymok
21
 00:38.77
11. BigHeadGriffin
32
 00:45.40
12. EbenADreher 00:51.90
13. RawOnRawon
24
 01:17.27
14. janikar
62
 04:27.93
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Today
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MO3
1. deadimmortal
192
 00:00.33
2. nabi
92
 00:02.56
3. vowels
216
 00:02.65
4. BingBongBob
108
 00:03.23
5. numbrr
325
 00:03.38
6. jai22933
23
 00:03.44
7.anonymous
14
 00:03.50
7. JZE
88
 00:03.50
9.anonymous
5
 00:03.53
10.anonymous
2
 00:03.66
AO5
1. deadimmortal
192
 00:00.40
2. nabi
92
 00:02.76
3. vowels
216
 00:02.87
4. BingBongBob
108
 00:03.43
5.anonymous
5
 00:03.55
6. numbrr
325
 00:03.60
7.anonymous
14
 00:03.63
8.anonymous
2
 00:03.72
9. jai22933
23
 00:03.75
10. jaybrainer
280
 00:04.23
AO12
1. deadimmortal
192
 00:01.82
2. nabi
92
 00:02.96
3. vowels
216
 00:03.32
4. BingBongBob
108
 00:03.94
5. jai22933
23
 00:04.04
6.anonymous
2
 00:04.09
7.anonymous
5
 00:04.17
8. numbrr
325
 00:04.55
9. jaybrainer
280
 00:04.95
10. Douglas Shamlin Jr.
723
 00:05.00
Robots / programmatic solversinfo  
1.dbut2
45
00:00.003
2.tlstyer
154
00:00.006
3.jllachan00:00.493

* 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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