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
55
00:13.82
2. Nieznany 00:26.45
3. Siloam 00:43.33
4. Arok
113
00:43.75
5. randomflyintaco
120
00:45.10
6. Paracosmic
34
01:11.41
7. Canon
19
01:13.67
8. xenicat
125
01:14.75
9. cratic
22
01:17.70
10. CLAVDIVS
62
01:18.24
11. Rocketdog
27
01:18.43
12. vedpaliwal
55
01:19.29
13. xilli 01:29.33
14. fishysua
147
01:29.81
15. Taco1717
34
01:35.59
16. Pcrisanti 01:41.68
17. FunAcroFly
92
01:42.39
18. drbop
45
01:45.91
19. Mitr256
151
01:46.19
20. trLBumm
12
01:50.80
This Week
1. picarat
55
00:19.79
2. Nieznany 00:26.45
3. randomflyintaco
120
01:02.82
4. Paracosmic
34
01:11.41
5. Canon
19
01:13.67
6. xenicat
125
01:14.75
7. FunAcroFly
92
01:42.39
8. drbop
45
01:45.91
9. Pcrisanti 01:47.63
10. trLBumm
12
01:50.80
11. cl0vis0423 02:15.54
12. CLAVDIVS
62
02:22.74
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Today
1. Nieznany 00:26.45
2. Canon
19
01:13.67
3.--- empty -----:--
4.--- empty -----:--
5.--- empty -----:--
6.--- empty -----:--
7.--- empty -----:--
8.--- empty -----:--
9.--- empty -----:--
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MO3
1. Icay
191
00:11.75
2. Make
274
00:12.47
3. numbrr
300
00:14.48
4. GoldChoco36
136
00:17.14
5. picarat
55
00:18.54
6. soy
149
00:22.64
7. vowels
216
00:23.95
8. Vezzick
172
00:27.00
9. TashiroMiraki
216
00:28.70
10. haramey
231
00:28.72
AO5
1. Make
274
00:12.00
2. Icay
191
00:12.61
3. numbrr
300
00:14.60
4. picarat
55
00:20.28
5. GoldChoco36
136
00:21.04
6. soy
149
00:23.33
7. vowels
216
00:28.97
8. Vezzick
172
00:29.83
9. TashiroMiraki
216
00:30.85
10. haramey
231
00:31.60
AO12
1. Make
274
00:13.62
2. Icay
191
00:17.22
3. numbrr
300
00:24.75
4. GoldChoco36
136
00:25.82
5. soy
149
00:26.48
6. vowels
216
00:34.52
7. haramey
231
00:34.53
8. LeMonSoda
54
00:36.69
9. markelobitx
63
00:38.56
10. roboteer5291#0848
104
00:39.02
Robots / programmatic solversinfo  
1.tlstyer
127
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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2025-09-15 22:03:47

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