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. gtkrouwel
137
 00:28.26
2. Kukko
179
 00:35.77
3. llmt9
99
 00:38.45
4. OGPartyGirl
57
 00:43.65
5. itsleviOsanotlevioSA
25
 00:45.64
6. nonofun1
41
 00:56.57
7. spen sp2
54
 00:57.97
8. SA5838 01:11.07
9. Annerose
24
 01:17.38
10. SarielOlesiak
8
 01:28.97
11. THEmary
9
 01:44.40
12. Lokiskind
1
 01:47.44
13. Irisa
170
 01:52.15
14. mamawilma
96
 01:58.85
15. Demeris 02:07.06
16. floomsi
17
 02:22.12
17. mielan1 02:23.63
18. DougP 02:44.46
19. frtnc
115
 03:08.67
20. Toonm 03:26.75
This Week
1. SA5838 01:11.07
2. nonofun1
41
 01:12.23
3. THEmary
9
 01:44.40
4. Lokiskind
1
 01:47.44
5. mielan1 02:37.82
6. mamawilma
96
 02:54.49
7. Toonm 05:03.10
8. aguacate
6
 06:00.99
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Today
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20.--- empty -----:--
MO3
1. nabi
92
 00:18.24
2. numbrr
321
 00:18.74
3. vowels
216
 00:18.90
4. BingBongBob
108
 00:22.37
5. Make
284
 00:24.02
6. qqwref
266
 00:24.40
7. jai22933
23
 00:26.58
8. SilverHawk
216
 00:26.59
9. daanbe
237
 00:27.82
10. IzAlexandre2
114
 00:29.87
AO5
1. nabi
92
 00:19.01
2. vowels
216
 00:20.64
3. numbrr
321
 00:20.89
4. BingBongBob
108
 00:23.76
5. Make
284
 00:24.49
6. qqwref
266
 00:26.89
7. daanbe
237
 00:27.82
8. SilverHawk
216
 00:29.07
9. IzAlexandre2
114
 00:31.39
10. boru
131
 00:31.71
AO12
1. nabi
92
 00:20.19
2. numbrr
321
 00:24.88
3. vowels
216
 00:26.82
4. Make
284
 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
237
 00:34.56
Robots / programmatic solversinfo  
1.tlstyer
150
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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