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
 02:30.58
2. Dorice
272
 02:55.24
3. nallie
45
 03:31.57
4. Lore1 04:17.70
5. Lespring22 05:05.82
6. Flo.123
13
 06:30.40
7. stemvork 06:44.47
8. Menna
26
 07:35.38
9. css861 07:45.70
10. lv1208
5
 08:01.95
11. sandrovka
27
 12:58.99
12. Larry the pirate
139
 18:45.54
13. LrCaWm 20:16.47
14. sigmaSYSU
10
 24:22.83
15. A3ngus 35:51.59
16. Sophiewangwang 37:09.98
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This Week
1. lv1208
5
 08:27.47
2. A3ngus 35:51.59
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Today
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MO3
1.anonymous
322
 01:41.51
2. nabi
92
 01:43.57
3. Make
287
 01:48.64
4. Douglas Shamlin Jr.
722
 02:01.87
5. boru
132
 02:16.72
6. daanbe
240
 02:16.78
7. qqwref
266
 02:19.75
8. SilverHawk
216
 02:23.95
9. jaybrainer
276
 02:27.16
10. vx14
184
 02:27.42
AO5
1.anonymous
322
 01:42.48
2. nabi
92
 01:43.69
3. Make
287
 01:52.96
4. Douglas Shamlin Jr.
722
 02:04.40
5. boru
132
 02:17.44
6. daanbe
240
 02:19.41
7. qqwref
266
 02:20.23
8. SilverHawk
216
 02:28.05
9. vx14
184
 02:32.62
10. jaybrainer
276
 02:34.67
AO12
1.anonymous
322
 01:47.49
2. nabi
92
 01:52.06
3. Make
287
 01:55.86
4. Douglas Shamlin Jr.
722
 02:07.64
5. daanbe
240
 02:23.85
6. boru
132
 02:32.92
7. SilverHawk
216
 02:34.96
8. qqwref
266
 02:37.90
9. vx14
184
 02:40.34
10. Dorice
272
 02:43.02
Robots / programmatic solversinfo  
1.dbut2
44
00:00.003
2.tlstyer
151
00:00.008
3.jllachan00:00.492

* 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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