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
00:04.49
2. lpbxrzpd
26
00:04.86
3. 0jacky0
17
00:06.32
4. Jamoke13 00:06.36
5. Hashibrown 00:06.68
6. Flare 00:07.31
7. puffy_blue
39
00:07.98
8. ScorpionMax 00:08.31
9. KETJAK
32
00:08.54
10. PiuAzul 00:08.89
11. ZeX420 00:08.92
12. wyhrg
41
00:09.20
13. fzyakioi 00:09.53
14. 1337N008 00:09.92
15. randomflyintaco
108
00:10.34
16. Dorsal
21
00:11.66
17. snahaba
18
00:12.42
18. oshi
33
00:12.55
19. gajipp 00:12.88
20. doctorbutterfly
7
00:12.99
This Week
1. lpbxrzpd
26
00:04.86
2. Jamoke13 00:06.36
3. Flare 00:07.31
4. fzyakioi 00:09.53
5. randomflyintaco
108
00:11.34
6. snahaba
18
00:12.42
7. ecto
74
00:13.66
8. grimmgirlfandom
152
00:14.12
9. SmallBlack 00:15.09
10. CLAVDIVS
56
00:15.79
11. Shellylh
39
00:17.33
12. doctorbutterfly
7
00:17.53
13. MishaVargas
1
00:20.73
14. Illcat
16
00:23.26
15. chryssa 00:24.80
16. Goomy
115
00:37.55
17. boncuk 01:24.62
18. rusowo 01:58.53
19.--- empty -----:--
20.--- empty -----:--
Today
1. CLAVDIVS
56
00:15.79
2. Shellylh
39
00:24.51
3.--- empty -----:--
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. Icay
189
00:02.92
2. vowels
216
00:03.15
3. numbrr
297
00:03.20
4. Make
273
00:03.31
5. nabi
92
00:03.63
6. IHNN1
12
00:03.91
7. Vezzick
157
00:04.05
8. haramey
230
00:04.07
9. Douglas Shamlin Jr.
693
00:04.28
10. picarat
52
00:04.35
AO5
1. Icay
189
00:03.03
2. vowels
216
00:03.32
3. Make
273
00:03.36
4. numbrr
297
00:03.62
5. nabi
92
00:03.71
6. Douglas Shamlin Jr.
693
00:03.89
7. IHNN1
12
00:04.17
8. haramey
230
00:04.20
9. Vezzick
157
00:04.33
10. picarat
52
00:04.48
AO12
1. Icay
189
00:03.56
2. Make
273
00:03.79
3. vowels
216
00:03.88
4. numbrr
297
00:04.58
5. nabi
92
00:04.98
6. Vezzick
157
00:05.04
7. haramey
230
00:05.12
8. picarat
52
00:05.15
9. Douglas Shamlin Jr.
693
00:05.21
10. IHNN1
12
00:05.83
Robots / programmatic solversinfo  
1.tlstyer
120
00:00.007
2.4s4f400:00.224
3.Paul Bismuth
1
00:01.556

* 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 13:37:42

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