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. Taco1717
73
 01:54.95
2. Grace Mayne
25
 02:28.57
3. spen sp2
21
 02:43.69
4. RaiT
102
 02:50.41
5. Liza94You
2
 02:59.28
6. OGPartyGirl
20
 03:04.44
7. SirHumphrey 03:53.25
8. MushroomsCavern
62
 04:03.86
9. Menna
7
 04:25.01
10. pythagora 04:29.37
11. lauraapzz
80
 04:35.48
12. Valter Correia
5
 04:49.72
13. etgl
132
 05:00.29
14. foverino
10
 05:03.83
15. Iceberg9 05:52.69
16. Lena
10
 05:54.19
17. Beastinboston
45
 06:11.25
18. KETJAK
37
 06:35.62
19. minionman 06:40.16
20. Kellydv12 07:16.33
This Week
1. OGPartyGirl
20
 03:04.44
2. spen sp2
21
 03:14.37
3. SirHumphrey 04:28.49
4. Valter Correia
5
 04:49.72
5. pythagora 04:58.56
6. minionman 06:40.16
7. Tomtei8
4
 07:34.67
8. Thegroover 08:51.65
9. KTSH4
4
 12:11.75
10. Borsuczi
3
 14:25.13
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Today
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20.--- empty -----:--
MO3
1. numbrr
310
 00:52.76
2. nabi
92
 00:53.02
3. Douglas Shamlin Jr.
718
 00:56.25
4. Make
279
 00:59.67
5. BingBongBob
108
 01:04.66
6. qqwref
266
 01:06.02
7. SilverHawk
216
 01:06.31
8. vx14
179
 01:09.65
9. vowels
216
 01:10.50
10. boru
125
 01:12.61
AO5
1. numbrr
310
 00:54.62
2. nabi
92
 00:55.43
3. Douglas Shamlin Jr.
718
 00:58.42
4. Make
279
 01:01.97
5. BingBongBob
108
 01:05.47
6. qqwref
266
 01:06.02
7. SilverHawk
216
 01:08.43
8. vx14
179
 01:09.65
9. vowels
216
 01:13.67
10. IzAlexandre2
114
 01:15.11
AO12
1. nabi
92
 00:57.30
2. numbrr
310
 00:57.34
3. Douglas Shamlin Jr.
718
 01:05.26
4. Make
279
 01:06.53
5. qqwref
266
 01:12.64
6. vx14
179
 01:14.92
7. SilverHawk
216
 01:17.31
8. boru
125
 01:21.50
9. IzAlexandre2
114
 01:23.00
10. vowels
216
 01:24.78
Robots / programmatic solversinfo  
1.tlstyer
142
00:00.007
2.jllachan00:00.495
3.BertinSylux98
34
00:01.389

* 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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