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. PheromoneJones 02:54.02
2. OGPartyGirl
38
 03:51.15
3. spen sp2
42
 04:08.80
4. rekted 04:11.07
5. llmt9
94
 04:11.94
6. MushroomsCavern
81
 04:32.87
7. pandabiubiu
99
 07:13.43
8. Edash
146
 11:42.13
9. Iceberg9 12:23.43
10. 67676
16
 14:05.47
11. hazelmus
24
 16:01.36
12. T.
38
 23:19.86
13. IrkoPixel
50
 31:08.48
14. Harry_Canyon
141
 43:23.66
15.--- empty -----:--
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This Week
1. rekted 04:11.07
2. MushroomsCavern
81
 04:32.87
3. spen sp2
42
 04:48.26
4. pandabiubiu
99
 07:25.53
5. Edash
146
 15:22.07
6. hazelmus
24
 16:01.36
7. T.
38
 23:19.86
8. Harry_Canyon
141
 43:23.66
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10.--- empty -----:--
11.--- empty -----:--
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Today
1. pandabiubiu
99
 09:28.25
2.--- empty -----:--
3.--- empty -----:--
4.--- empty -----:--
5.--- empty -----:--
6.--- empty -----:--
7.--- empty -----:--
8.--- empty -----:--
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11.--- empty -----:--
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MO3
1. numbrr
318
 01:45.66
2. nabi
92
 01:49.50
3. Timitz
23
 01:50.62
4. Make
281
 01:57.85
5. qqwref
266
 02:44.21
6.anonymous
120
 02:57.38
7. SilverHawk
216
 03:00.97
8. vx14
182
 03:02.40
9. Ola Lenik
77
 03:06.54
10. LittlePiggy
83
 03:08.36
AO5
1. numbrr
318
 01:53.28
2. nabi
92
 01:54.08
3. Make
281
 02:03.39
4. Timitz
23
 02:13.04
5. qqwref
266
 02:52.46
6. vx14
182
 03:02.40
7. SilverHawk
216
 03:03.57
8.anonymous
120
 03:07.67
9. LittlePiggy
83
 03:12.40
10. Ola Lenik
77
 03:14.22
AO12
1. numbrr
318
 01:59.69
2. nabi
92
 02:01.22
3. Make
281
 02:11.53
4. Timitz
23
 02:49.60
5. qqwref
266
 02:57.25
6. SilverHawk
216
 03:04.78
7. vx14
182
 03:17.70
8. Ola Lenik
77
 03:20.50
9.anonymous
120
 03:25.87
10. IzAlexandre2
114
 03:28.75
Robots / programmatic solversinfo  
1.tlstyer
148
00:00.015
2.jllachan00:00.495
3.BertinSylux98
34
00:02.885

* 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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