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

This Month
1. ZinnaValley
19
04:42.30
2. stemvork 04:51.76
3. May John
64
06:29.82
4. pouldu
93
06:34.03
5. css861 06:58.29
6. HackMan
106
10:17.16
7. lanlan 12:51.48
8. catboy
74
15:13.46
9. Tintin
6
15:17.28
10. Khwahish 28:20.82
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This Week
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Today
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MO3
1. numbrr
297
01:41.51
2. nabi
92
01:43.57
3. Make
272
01:48.64
4. Douglas Shamlin Jr.
692
02:01.87
5. qqwref
259
02:19.75
6. SilverHawk
208
02:23.95
7. jaybrainer
235
02:27.16
8. vx14
148
02:27.42
9. boru
103
02:29.68
10. MoFan
117
02:34.98
AO5
1. numbrr
297
01:42.48
2. nabi
92
01:43.69
3. Make
272
01:52.96
4. Douglas Shamlin Jr.
692
02:04.40
5. qqwref
259
02:20.23
6. SilverHawk
208
02:28.05
7. vx14
148
02:32.62
8. boru
103
02:39.10
9. vowels
216
02:39.67
10. beatrixwashere
102
02:40.70
AO12
1. numbrr
297
01:47.49
2. nabi
92
01:52.06
3. Make
272
01:55.86
4. Douglas Shamlin Jr.
692
02:07.64
5. SilverHawk
208
02:34.96
6. qqwref
259
02:37.90
7. vx14
148
02:40.34
8. boru
103
02:46.30
9. vowels
216
02:53.45
10. beatrixwashere
102
02:54.43
Robots / programmatic solversinfo  
1.tlstyer
120
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.
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2025-07-01 07:39:32

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