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. thall
62
 00:25.26
2. Vgcl3m 00:37.47
3. tuberculosis
106
 00:40.20
4. yebbo 00:43.05
5. stemvork 00:45.40
6. OGPartyGirl
28
 00:47.57
7. spen sp2
26
 01:10.46
8. Valter Correia
5
 01:11.83
9. Beastinboston
51
 01:12.32
10. SudokuFan
36
 01:15.75
11. Lua
152
 01:24.41
12. Szurii_PL
7
 01:27.73
13. vichibrax 01:28.59
14. 67676
12
 01:28.93
15. iuribdias
2
 01:31.37
16. Kutner17
153
 01:32.88
17. Jorjess
28
 01:34.35
18. vlash 01:39.92
19. Lokiskind
1
 01:48.01
20. Tomtei8
10
 01:53.23
This Week
1. thall
62
 00:29.65
2. tuberculosis
106
 00:40.20
3. stemvork 00:45.40
4. OGPartyGirl
28
 00:47.57
5. Beastinboston
51
 01:12.32
6. SudokuFan
36
 01:15.75
7. vichibrax 01:28.59
8. 67676
12
 01:28.93
9. spen sp2
26
 01:30.65
10. Kutner17
153
 01:32.88
11. vlash 01:39.92
12. Jorjess
28
 02:28.27
13. 王嘉維
10
 02:49.86
14. Thegroover 02:54.98
15. Kellydv12 02:55.38
16. Scr33n 02:59.50
17. Rikky
8
 03:05.61
18. VersionLP 05:00.72
19. Lenina1
5
 09:23.66
20. BeatrizR 11:06.42
Today
1. Kutner17
153
 01:32.88
2. Thegroover 02:54.98
3. Scr33n 02:59.50
4.--- empty -----:--
5.--- empty -----:--
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. Douglas Shamlin Jr.
719
 00:14.28
2. nabi
92
 00:15.73
3. numbrr
314
 00:18.32
4. BingBongBob
108
 00:19.82
5. vowels
216
 00:21.83
6. Joshua Zhang [Studen...
8
 00:22.57
7. Make
279
 00:23.69
8. jai22933
23
 00:24.54
9. thall
62
 00:25.10
10. qqwref
266
 00:25.55
AO5
1. Douglas Shamlin Jr.
719
 00:14.96
2. nabi
92
 00:16.49
3. numbrr
314
 00:19.21
4. BingBongBob
108
 00:19.98
5. vowels
216
 00:22.17
6. Joshua Zhang [Studen...
8
 00:23.06
7. Make
279
 00:24.78
8. jai22933
23
 00:25.09
9. qqwref
266
 00:26.34
10. thall
62
 00:26.44
AO12
1. Douglas Shamlin Jr.
719
 00:16.47
2. nabi
92
 00:19.36
3. numbrr
314
 00:20.92
4. BingBongBob
108
 00:21.05
5. vowels
216
 00:24.20
6. Make
279
 00:25.53
7. jai22933
23
 00:26.96
8. qqwref
266
 00:27.68
9. thall
62
 00:28.83
10. Joshua Zhang [Studen...
8
 00:28.84
Robots / programmatic solversinfo  
1.tlstyer
143
00:00.007
2.jllachan00:00.483
3.BertinSylux98
34
00:00.835

* 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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