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. eatatjoes
19
 02:25.06
2. Dorice
270
 02:27.84
3. PheromoneJones 02:32.73
4. Kukko
179
 03:43.20
5. llmt9
98
 04:00.23
6. salome 05:15.63
7. theautumnbells
23
 06:40.83
8. HumanAlgorithm
10
 07:41.22
9. rjmarr 09:34.11
10. mamawilma
95
 10:54.27
11. Menna
14
 12:40.98
12. SWICT
71
 15:27.18
13. T.
42
 29:24.32
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This Week
1. eatatjoes
19
 02:25.06
2. PheromoneJones 02:32.73
3. llmt9
98
 04:21.08
4. HumanAlgorithm
10
 07:41.22
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Today
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MO3
1. numbrr
321
 01:41.51
2. nabi
92
 01:43.57
3. Make
284
 01:48.64
4. Douglas Shamlin Jr.
721
 02:01.87
5. boru
131
 02:16.72
6. daanbe
237
 02:16.78
7. qqwref
266
 02:19.75
8. SilverHawk
216
 02:23.95
9. jaybrainer
269
 02:27.16
10. vx14
184
 02:27.42
AO5
1. numbrr
321
 01:42.48
2. nabi
92
 01:43.69
3. Make
284
 01:52.96
4. Douglas Shamlin Jr.
721
 02:04.40
5. boru
131
 02:17.44
6. daanbe
237
 02:19.41
7. qqwref
266
 02:20.23
8. SilverHawk
216
 02:28.05
9. vx14
184
 02:32.62
10. Dorice
270
 02:37.54
AO12
1. numbrr
321
 01:47.49
2. nabi
92
 01:52.06
3. Make
284
 01:55.86
4. Douglas Shamlin Jr.
721
 02:07.64
5. daanbe
237
 02:23.85
6. boru
131
 02:32.92
7. SilverHawk
216
 02:34.96
8. qqwref
266
 02:37.90
9. vx14
184
 02:40.34
10. Dorice
270
 02:43.02
Robots / programmatic solversinfo  
1.tlstyer
150
00:00.008
2.jllachan00:00.492
3.BertinSylux98
34
00:02.818

* 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.
You need to be logged in to track your averages

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