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. numbrr
297
01:12.21
2. picarat
52
01:23.77
3. Sumo1204
68
01:58.27
4. ooriginallname
47
02:35.02
5. izrabelle
37
02:37.98
6. Aaudrey
28
03:06.60
7. randomflyintaco
107
03:08.22
8. Hashibrown 03:17.07
9. Ena244 03:36.27
10. josim 04:10.31
11. swpomeroy
171
04:16.01
12. Dorice
242
04:45.29
13. Jazka 04:58.88
14. AnonyMouseman
36
06:50.28
15. drbop
41
06:51.25
16. Mschel
35
06:55.64
17. OldSweep 07:00.93
18. nbapip 07:26.55
19. LindaRose
53
07:36.18
20. baileyfish
39
08:30.05
This Week
1. numbrr
297
01:12.21
2. picarat
52
01:26.76
3. izrabelle
37
03:02.64
4. randomflyintaco
107
03:08.22
5. josim 04:10.31
6. Dorice
242
04:45.29
7. Mschel
35
06:55.64
8. AnonyMouseman
36
09:21.20
9. CLAVDIVS
55
12:33.45
10. AnonyMinor
51
13:41.57
11. xclmfrw
3
16:14.71
12. snahaba
17
24d 20:31:23.64
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Today
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MO3
1. Make
272
01:03.61
2. numbrr
297
01:22.30
3. Icay
189
01:25.64
4. vowels
216
01:35.88
5. Brian Murphy
107
01:40.59
6. soy
147
01:55.44
7. picarat
52
01:59.72
8. GoldChoco36
134
02:06.22
9. scott851028
87
02:07.39
10. 孤单心事
146
02:14.35
AO5
1. Make
272
01:05.24
2. Icay
189
01:27.87
3. numbrr
297
01:37.00
4. vowels
216
01:40.23
5. Brian Murphy
107
01:45.99
6. soy
147
01:54.76
7. picarat
52
02:06.95
8. GoldChoco36
134
02:07.42
9. scott851028
87
02:09.68
10. 孤单心事
146
02:24.45
AO12
1. Make
272
01:17.79
2. Icay
189
01:45.79
3. vowels
216
01:55.63
4. numbrr
297
01:59.93
5. Brian Murphy
107
02:10.27
6. soy
147
02:11.39
7. scott851028
87
02:15.95
8. GoldChoco36
134
02:26.51
9. haramey
230
02:28.45
10. 孤单心事
146
02:30.73
Robots / programmatic solversinfo  
1.tlstyer
120
00:00.012
2.4s4f400:00.348
3.Paul Bismuth
1
00:16.375

* 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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2025-07-05 19:03:02

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