LITS


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LITS is a logic puzzle with simple rules and challenging solutions.

The rules of LITS are simple:
You have to place one tetromino* in each region in such a way that:
- 2 tetrominoes of matching types cannot touch each other horizontally or vertically. Rotations and reflections count as matching.
- The shaded cells should form a single connected area.
- 2x2 shaded areas are not allowed.

* Tetromino is a shape made of 4 connected cells. There are 5 types of tetrominoes, which are usually named L, I, T, S and O, based on their shape. The O tetromino is not used in this puzzle because it is a 2x2 shape, which is not allowed.

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LITS


6x6 Normal LITS | 6x6 Hard LITS | 8x8 Normal LITS | 8x8 Hard LITS | 10x10 Normal LITS | 10x10 Hard LITS | 15x15 Normal LITS | 15x15 Hard LITS | 20x20 Normal LITS | 20x20 Hard LITS

This Month
1. jb082005
43
02:19.51
2. Hashibrown 02:32.83
3. wyhrg
17
02:38.47
4. Gibby
29
02:47.27
5. MarkTheChew
6
03:12.89
6. stoopid 03:24.52
7. Ricco
43
03:48.43
8. xzaxzaazx
91
04:17.60
9. Avalon 04:29.77
10. crema
147
04:35.95
11. Ailurus
172
04:36.66
12. erichiro 04:43.00
13. Dereham
49
05:44.26
14. Dorice
238
05:48.63
15. IntotheLight
44
05:55.64
16. Deathranger999
58
06:19.15
17. super2276 06:26.56
18. trj1111 06:43.21
19. urzsiraf 07:21.68
20. Meowy
19
07:36.66
This Week
1. wyhrg
17
02:38.47
2. Ailurus
172
04:36.66
3. erichiro 04:43.00
4. Deathranger999
58
06:19.15
5. trj1111 06:43.21
6. urzsiraf 07:21.68
7. Meowy
19
07:36.66
8. AnonyMouseman
34
15:05.92
9. cd43046721
28
27:50.35
10. choroba 3:00:34.55
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Today
1. wyhrg
17
02:38.47
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MO3
1. Make
268
01:09.48
2. Icay
186
01:45.01
3. numbrr
289
02:10.03
4. vortressovortex#0
40
02:13.49
5. scott851028
79
02:38.26
6. summernight
204
02:51.62
7. GoldChoco36
133
02:53.85
8. 孤单心事
146
02:57.99
9. jb082005
43
03:07.48
10. haramey
228
03:12.52
AO5
1. Make
268
01:14.46
2. Icay
186
01:51.68
3. numbrr
289
02:03.47
4. vortressovortex#0
40
02:17.33
5. scott851028
79
02:50.75
6. 孤单心事
146
02:59.33
7. GoldChoco36
133
03:00.56
8. summernight
204
03:07.70
9. jb082005
43
03:18.47
10. haramey
228
03:20.39
AO12
1. Make
268
01:25.29
2. Icay
186
02:11.57
3. vortressovortex#0
40
02:48.99
4. numbrr
289
02:53.09
5. scott851028
79
03:12.41
6. GoldChoco36
133
03:30.80
7. haramey
228
03:49.07
8. -完颜彩虹兔-
29
03:51.49
9. vowels
214
03:53.98
10. jb082005
43
03:57.88
Robots / programmatic solversinfo  
1.tlstyer
109
00:00.020
2.4s4f400:00.535
3.Paul Bismuth
1
00:14.122

* 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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2025-05-01 09:41:03

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