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. picarat
52
00:16.48
2. naujnav 00:19.83
3. Nieznany 00:25.77
4. MikTheLegend 00:40.59
5. Milgred 00:51.28
6. randomflyintaco
108
00:52.39
7. Sawdust99
45
01:05.38
8. NghiVo
2
01:05.64
9. FunAcroFly
74
01:08.12
10. Meowy
22
01:08.51
11. vedpaliwal
52
01:15.28
12. Pcrisanti 01:15.83
13. Siloam 01:16.06
14. CLAVDIVS
56
01:23.97
15. Jazka 01:28.27
16. AnonyMouseman
36
01:29.56
17. BigL1 01:35.72
18. oshi
33
01:36.34
19. sronse 01:56.85
20. trj1111
24
02:01.72
This Week
1. Nieznany 00:28.65
2. randomflyintaco
108
00:57.97
3. NghiVo
2
01:05.64
4. FunAcroFly
74
01:08.12
5. vedpaliwal
52
01:16.51
6. Pcrisanti 01:34.11
7. trj1111
24
02:01.72
8. Shellylh
39
02:09.46
9. CLAVDIVS
56
02:12.38
10. Canon
19
03:12.68
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Today
1. Shellylh
39
02:09.46
2. CLAVDIVS
56
03:01.07
3.--- empty -----:--
4.--- empty -----:--
5.--- empty -----:--
6.--- empty -----:--
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MO3
1. Icay
189
00:11.75
2. Make
273
00:12.47
3. numbrr
297
00:14.48
4. GoldChoco36
134
00:17.14
5. soy
147
00:22.64
6. vowels
216
00:23.95
7. picarat
52
00:24.49
8. Vezzick
157
00:27.00
9. TashiroMiraki
215
00:28.70
10. haramey
230
00:28.72
AO5
1. Make
273
00:12.00
2. Icay
189
00:12.61
3. numbrr
297
00:14.60
4. GoldChoco36
134
00:21.04
5. soy
147
00:23.33
6. picarat
52
00:26.07
7. vowels
216
00:28.97
8. Vezzick
157
00:29.83
9. TashiroMiraki
215
00:30.85
10. haramey
230
00:31.60
AO12
1. Make
273
00:13.62
2. Icay
189
00:17.22
3. numbrr
297
00:24.75
4. GoldChoco36
134
00:25.82
5. soy
147
00:26.48
6. vowels
216
00:34.52
7. haramey
230
00:34.53
8. markelobitx
61
00:38.56
9. roboteer5291#0848
104
00:39.02
10. kennethaw88
146
00:39.13
Robots / programmatic solversinfo  
1.tlstyer
120
00:00.007
2.4s4f400:00.353
3.Paul Bismuth
1
00:03.987

* 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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2025-07-11 15:07:40

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