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. thall
67
 00:21.61
2. nallie
46
 00:31.54
3. Lore1 00:40.64
4. stemvork 00:43.75
5. melilapirate
15
 00:45.86
6. Dorice
273
 00:46.23
7. Oryn
189
 00:54.71
8. spen sp2
67
 00:57.16
9. crema
276
 00:58.60
10. lauraapzz
87
 01:08.37
11. css861 01:19.28
12. jos1eo
11
 01:47.46
13. Irisa
180
 01:56.03
14. Lokiskind
1
 01:58.01
15. HiteshTarabh01 02:08.83
16. CoepsX53 02:10.02
17. KETJAK
42
 02:10.80
18. frafrimb 02:17.66
19. SergioR
25
 02:55.51
20. 90josungs
3
 02:55.63
This Week
1. melilapirate
15
 00:45.86
2. Oryn
189
 00:54.71
3. spen sp2
67
 00:57.16
4. lauraapzz
87
 01:08.37
5. Lokiskind
1
 01:59.26
6. frafrimb 02:17.66
7. 90josungs
3
 02:55.63
8. CornishPixie 03:13.13
9. KaWaiWong
8
 05:29.73
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Today
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MO3
1. Douglas Shamlin Jr.
723
 00:14.28
2. nabi
92
 00:15.73
3. numbrr
322
 00:18.32
4. BingBongBob
108
 00:19.82
5. vowels
216
 00:21.83
6. thall
67
 00:22.47
7. Joshua Zhang [Studen...
8
 00:22.57
8. Make
288
 00:23.69
9. jai22933
23
 00:24.54
10. daanbe
240
 00:25.00
AO5
1. Douglas Shamlin Jr.
723
 00:14.96
2. nabi
92
 00:16.49
3. numbrr
322
 00:19.21
4. BingBongBob
108
 00:19.98
5. vowels
216
 00:22.17
6. thall
67
 00:22.65
7. Joshua Zhang [Studen...
8
 00:23.06
8. Make
288
 00:24.78
9. jai22933
23
 00:25.09
10. qqwref
266
 00:26.34
AO12
1. Douglas Shamlin Jr.
723
 00:16.47
2. nabi
92
 00:19.36
3. numbrr
322
 00:20.92
4. BingBongBob
108
 00:21.05
5. vowels
216
 00:24.20
6. thall
67
 00:25.02
7. Make
288
 00:25.53
8. jai22933
23
 00:26.96
9. qqwref
266
 00:27.68
10. Joshua Zhang [Studen...
8
 00:28.84
Robots / programmatic solversinfo  
1.dbut2
45
00:00.003
2.tlstyer
152
00:00.007
3.jllachan00:00.483

* 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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