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.

Video Tutorial
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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. ypw19
90
00:04.72
2. llmt9
90
00:05.65
3. iqyMeow 00:07.11
4. Oryn
171
00:08.44
5. crema
263
00:10.79
6. spen sp2
21
00:12.21
7. Taco1717
72
00:12.46
8. Grace Mayne
25
00:12.54
9. nerdvert
99
00:13.06
10. Liza94You
2
00:13.51
11. stemvork 00:13.92
12. MrNyooooom 00:13.94
13. OGPartyGirl
20
00:14.23
14. Koakuma
53
00:16.45
15. floomsi
16
00:16.96
16. excali 00:17.23
17. Julespook 00:19.37
18. itsleviOsanotlevioSA
21
00:19.40
19. Beastinboston
45
00:20.12
20. hazelmus
16
00:21.11
This Week
1. iqyMeow 00:07.11
2. spen sp2
21
00:12.21
3. Borsuczi
3
00:28.59
4. Tomtei8
4
00:30.81
5. Thegroover 00:31.54
6. KTSH4
4
00:32.20
7. paporrubio23
15
00:40.84
8. NoriFoggy 00:52.21
9. NonoCat 01:02.67
10. tinku
44
05:41.15
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Today
1. Tomtei8
4
00:37.64
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MO3
1. nabi
92
00:02.41
2. vowels
216
00:02.66
2. BingBongBob
108
00:02.66
4. jai22933
23
00:02.70
5.anonymous
5
00:03.32
6. numbrr
310
00:03.76
7. haramey
236
00:04.74
8.anonymous
14
00:04.96
9.anonymous
10
00:05.36
10. jaybrainer
258
00:05.73
AO5
1. nabi
92
00:02.58
2. BingBongBob
108
00:02.74
3. vowels
216
00:03.02
4. jai22933
23
00:03.04
5.anonymous
5
00:03.35
6. numbrr
310
00:04.31
7. haramey
236
00:05.29
8. Make
279
00:06.00
9. IzAlexandre2
114
00:06.20
10. jaybrainer
258
00:06.34
AO12
1. nabi
92
00:02.95
2. BingBongBob
108
00:03.08
3. vowels
216
00:03.94
4. jai22933
23
00:04.05
5.anonymous
5
00:04.34
6. numbrr
310
00:05.18
7. IzAlexandre2
114
00:06.85
8. qqwref
266
00:07.00
9. Make
279
00:07.06
10. jaybrainer
258
00:07.71
Robots / programmatic solversinfo  
1.tlstyer
142
00:00.006
2.jllachan00:00.496
3.BertinSylux98
34
00:00.639

* 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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