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
121
 00:37.60
2. llmt9
97
 00:42.40
3. Tutututu 00:44.66
4. Kukko
178
 00:46.31
5. MushroomsCavern
98
 00:48.63
6. Adorae
89
 00:55.99
7. Solus
39
 01:06.21
8. Stefferox 01:13.38
9. tworivers
43
 01:31.15
10. salome 02:01.32
11. floomsi
17
 02:25.43
12. mielan1 02:27.25
13. plape
7
 02:36.33
14. Annerose
22
 02:57.30
15. Lokiskind
1
 03:12.00
16. Irisa
168
 03:13.27
17. Toonm 03:25.21
18. mooniex 03:42.11
19. Luca22
8
 03:50.61
20. iftheshoefish
11
 04:08.61
This Week
1. llmt9
97
 00:46.62
2. Kukko
178
 00:54.34
3. Adorae
89
 00:55.99
4. Stefferox 01:13.38
5. tworivers
43
 01:31.15
6. salome 02:01.32
7. mielan1 02:27.25
8. Toonm 03:44.01
9. Luca22
8
 03:50.61
10. passngrin 04:09.71
11. iftheshoefish
11
 04:09.84
12. Rocketdog
37
 05:13.04
13.--- empty -----:--
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20.--- empty -----:--
Today
1. mielan1 03:13.22
2. passngrin 04:09.71
3. iftheshoefish
11
 04:09.84
4. Toonm 04:30.63
5.--- empty -----:--
6.--- empty -----:--
7.--- empty -----:--
8.--- empty -----:--
9.--- empty -----:--
10.--- empty -----:--
11.--- empty -----:--
12.--- empty -----:--
13.--- empty -----:--
14.--- empty -----:--
15.--- empty -----:--
16.--- empty -----:--
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19.--- empty -----:--
20.--- empty -----:--
MO3
1. nabi
92
 00:19.68
2. numbrr
321
 00:24.26
3. BingBongBob
108
 00:26.71
4. vowels
216
 00:27.32
5. Make
284
 00:30.39
6. qqwref
266
 00:31.29
7. daanbe
237
 00:33.17
8. IzAlexandre2
114
 00:35.67
9. distracted
144
 00:36.34
10. LittlePiggy
83
 00:36.88
AO5
1. nabi
92
 00:19.80
2. numbrr
321
 00:24.89
3. vowels
216
 00:29.42
4. Make
284
 00:32.49
5. qqwref
266
 00:32.88
6. BingBongBob
108
 00:32.92
7. daanbe
237
 00:36.63
8. IzAlexandre2
114
 00:37.25
9. SilverHawk
216
 00:37.63
10. vx14
184
 00:38.43
AO12
1. nabi
92
 00:21.95
2. numbrr
321
 00:28.68
3. BingBongBob
108
 00:36.42
4. qqwref
266
 00:36.65
5. vowels
216
 00:37.84
6. SilverHawk
216
 00:38.89
7. Make
284
 00:39.22
8. vx14
184
 00:41.99
9. IzAlexandre2
114
 00:43.70
10. LittlePiggy
83
 00:44.27
Robots / programmatic solversinfo  
1.tlstyer
150
00:00.007
2.jllachan00:00.491
3.BertinSylux98
34
00:00.867

* 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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