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.

Video Tutorial
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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. boru
128
 00:03.92
2. Eskimosnake
112
 00:04.76
3. llmt9
94
 00:05.25
4. Kimon 00:06.54
5. CroMa
93
 00:08.63
6. Alexia :)
127
 00:09.37
7. vlash 00:10.49
8. eliii 00:10.63
9. leo1999
24
 00:11.16
10. Harry_Canyon
142
 00:11.70
11. JimWeaver
10
 00:11.84
12. nastya 00:12.06
13. Reticle
132
 00:12.09
14. Annerose
4
 00:12.65
15. xc0xupx
41
 00:12.68
16. FengningYang
24
 00:13.58
17. kolossikalmari
39
 00:14.05
18. 贝壳
10
 00:14.48
19. Kenobi 00:14.96
20. V_Perm
14
 00:15.07
This Week
1. Eskimosnake
112
 00:04.76
2. llmt9
94
 00:05.25
3. CroMa
93
 00:08.63
4. eliii 00:10.63
5. vlash 00:11.04
6. Harry_Canyon
142
 00:11.97
7. nastya 00:12.06
8. Reticle
132
 00:12.09
9. Annerose
4
 00:12.65
10. xc0xupx
41
 00:12.68
11. kolossikalmari
39
 00:14.05
12. mamawilma
91
 00:16.04
13. viysid
24
 00:19.32
14. Celina
3
 00:19.96
15. leianimelover
4
 00:20.22
16. battlecruiser12 00:20.69
17. dinaki
15
 00:22.48
18. Lespring22 00:23.02
19. themcrafts 00:26.43
20. Jorjess
30
 00:26.80
Today
1. Eskimosnake
112
 00:04.76
2. llmt9
94
 00:05.25
3. Annerose
4
 00:12.65
4. mamawilma
91
 00:16.32
5. Canon
19
 6d 12:51:09.02
6.--- empty -----:--
7.--- empty -----:--
8.--- empty -----:--
9.--- empty -----:--
10.--- empty -----:--
11.--- empty -----:--
12.--- empty -----:--
13.--- empty -----:--
14.--- empty -----:--
15.--- empty -----:--
16.--- empty -----:--
17.--- empty -----:--
18.--- empty -----:--
19.--- empty -----:--
20.--- empty -----:--
MO3
1. nabi
92
 00:02.56
2. vowels
216
 00:02.65
3. BingBongBob
108
 00:03.23
4. numbrr
320
 00:03.38
5. jai22933
23
 00:03.44
6.anonymous
14
 00:03.50
6. JZE
88
 00:03.50
8.anonymous
5
 00:03.53
9.anonymous
2
 00:03.66
10. Douglas Shamlin Jr.
720
 00:04.17
AO5
1. nabi
92
 00:02.76
2. vowels
216
 00:02.87
3. BingBongBob
108
 00:03.43
4.anonymous
5
 00:03.55
5. numbrr
320
 00:03.60
6.anonymous
14
 00:03.63
7.anonymous
2
 00:03.72
8. jai22933
23
 00:03.75
9. JZE
88
 00:04.43
10. Douglas Shamlin Jr.
720
 00:04.45
AO12
1. nabi
92
 00:02.96
2. vowels
216
 00:03.32
3. BingBongBob
108
 00:03.94
4. jai22933
23
 00:04.04
5.anonymous
2
 00:04.09
6.anonymous
5
 00:04.17
7. numbrr
320
 00:04.55
8. Douglas Shamlin Jr.
720
 00:05.00
9. qqwref
266
 00:05.64
10. Make
282
 00:05.96
Robots / programmatic solversinfo  
1.tlstyer
148
00:00.006
2.jllachan00:00.493
3.BertinSylux98
34
00:00.642

* 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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