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
01:02.77
2. naujnav 01:07.80
3. LeMonSoda
52
01:19.48
4. stz
26
01:38.70
5. randomflyintaco
111
01:55.25
6. ScorpionMax 01:57.27
7. Dorice
242
02:04.94
8. oshi
36
03:03.25
9. BigL1 03:12.36
10. jjohn 04:01.49
11. AnonyMouseman
36
04:05.05
12. FunAcroFly
76
04:14.52
13. nbapip 04:39.97
14. AnonyMinor
52
05:20.39
15. Canon
19
05:46.30
16. drbop
42
06:31.44
17. Maya Harel
14
08:46.32
18. DenoCFH
9
09:46.50
19. sronse 11:40.21
20. bsk5941 16:42.25
This Week
1. picarat
52
01:04.06
2. randomflyintaco
111
01:55.25
3. ScorpionMax 01:57.27
4. stz
26
02:12.16
5. Dorice
242
06:30.12
6. AnonyMinor
52
10:31.24
7. bsk5941 16:42.25
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Today
1. randomflyintaco
111
01:55.25
2. Dorice
242
06:30.12
3. bsk5941 16:42.25
4.--- empty -----:--
5.--- empty -----:--
6.--- empty -----:--
7.--- empty -----:--
8.--- empty -----:--
9.--- empty -----:--
10.--- empty -----:--
11.--- empty -----:--
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20.--- empty -----:--
MO3
1. Make
273
00:34.94
2. Icay
189
00:47.03
3. PuzzleMaestro
77
00:59.82
4. numbrr
297
01:00.64
5. scott851028
87
01:15.80
6. GoldChoco36
134
01:17.09
7. vowels
216
01:17.38
8. LeMonSoda
52
01:18.85
9. haramey
230
01:18.94
10. soy
147
01:20.16
AO5
1. Make
273
00:36.80
2. Icay
189
00:48.29
3. numbrr
297
01:02.12
4. GoldChoco36
134
01:09.78
5. soy
147
01:15.43
6. vowels
216
01:20.50
7. LeMonSoda
52
01:21.79
8. scott851028
87
01:23.00
9. haramey
230
01:24.35
10. PlaPlaa
136
01:34.25
AO12
1. Make
273
00:45.50
2. Icay
189
00:55.96
3. numbrr
297
01:17.33
4. scott851028
87
01:29.65
5. LeMonSoda
52
01:32.18
6. vowels
216
01:32.50
7. GoldChoco36
134
01:37.18
8. soy
147
01:37.87
9. haramey
230
01:42.39
10. PlaPlaa
136
01:57.75
Robots / programmatic solversinfo  
1.tlstyer
122
00:00.009
2.4s4f400:00.329
3.Paul Bismuth
1
00:09.133

* 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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2025-07-18 22:49:31

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