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. spen sp2
69
 03:33.86
2. stemvork 05:10.88
3. rekted 05:18.73
4. pandabiubiu
106
 07:09.01
5. Puninos
76
 07:34.85
6. yarynna
40
 08:55.44
7. Kaci
5
 09:50.84
8. Edash
148
 10:34.20
9. 67676
22
 11:21.41
10. T0SBI
31
 28:54.62
11. SergioR
27
 30:01.88
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This Week
1. rekted 05:18.73
2. Puninos
76
 07:34.85
3. Edash
148
 10:34.20
4. SergioR
27
 30:01.88
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Today
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MO3
1. numbrr
325
 01:45.66
2. nabi
92
 01:49.50
3. Timitz
23
 01:50.62
4. Make
288
 01:57.85
5. daanbe
241
 02:42.47
6. qqwref
266
 02:44.21
7.anonymous
125
 02:57.38
8. SilverHawk
216
 03:00.97
9. vx14
185
 03:02.40
10. Ola Lenik
77
 03:06.54
AO5
1. numbrr
325
 01:53.28
2. nabi
92
 01:54.08
3. Make
288
 02:03.39
4. Timitz
23
 02:13.04
5. qqwref
266
 02:52.46
6. daanbe
241
 02:56.59
7. vx14
185
 03:02.40
8. SilverHawk
216
 03:03.57
9.anonymous
125
 03:07.67
10. LittlePiggy
83
 03:12.40
AO12
1. numbrr
325
 01:59.69
2. nabi
92
 02:01.22
3. Make
288
 02:11.53
4. Timitz
23
 02:49.60
5. qqwref
266
 02:57.25
6. SilverHawk
216
 03:04.78
7. daanbe
241
 03:14.09
8. vx14
185
 03:17.70
9. Ola Lenik
77
 03:20.50
10.anonymous
125
 03:25.87
Robots / programmatic solversinfo  
1.tlstyer
154
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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