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
 00:33.75
2. llmt9
94
 00:43.17
3. Tutututu 00:43.87
4. MushroomsCavern
81
 00:56.84
5. stemvork 00:58.99
6. spen sp2
42
 01:08.30
7. ma2urka 01:12.04
8. Stefferox 01:22.78
9. yebbo 01:36.06
10. HumanAlgorithm
7
 01:46.20
11. OliverA 01:51.51
12. tworivers
40
 01:52.00
13. EXtinktBUG 03:04.83
14. Beastinboston
55
 03:09.25
15. ktaklearns 03:12.79
16. SophieInvernizzi
13
 03:16.21
17. Silversight01
29
 03:17.29
18. Toonm 03:43.11
19. pepehasthelogic 03:57.88
20. lugdock
4
 04:05.14
This Week
1. Adorae
85
 00:33.75
2. llmt9
94
 00:52.93
3. Stefferox 01:35.91
4. HumanAlgorithm
7
 01:46.20
5. EXtinktBUG 03:04.83
6. Toonm 04:08.15
7. almalesbiana 11:20.92
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Today
1. Toonm 04:08.15
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MO3
1. nabi
92
 00:19.68
2. numbrr
318
 00:24.26
3. BingBongBob
108
 00:26.71
4. vowels
216
 00:27.32
5. Make
281
 00:30.39
6. qqwref
266
 00:31.29
7. IzAlexandre2
114
 00:35.67
8. distracted
143
 00:36.34
9. LittlePiggy
83
 00:36.88
10. PuzzleMaestro
92
 00:37.26
AO5
1. nabi
92
 00:19.80
2. numbrr
318
 00:24.89
3. vowels
216
 00:29.42
4. Make
281
 00:32.49
5. qqwref
266
 00:32.88
6. BingBongBob
108
 00:32.92
7. IzAlexandre2
114
 00:37.25
8. SilverHawk
216
 00:37.63
9. vx14
182
 00:38.43
10. LittlePiggy
83
 00:38.67
AO12
1. nabi
92
 00:21.95
2. numbrr
318
 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
281
 00:39.22
8. vx14
182
 00:41.99
9. IzAlexandre2
114
 00:43.70
10. LittlePiggy
83
 00:44.27
Robots / programmatic solversinfo  
1.tlstyer
148
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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