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
00:08.15
2. randomflyintaco
107
00:17.80
3. oshi
27
00:23.37
4. dsab87 00:24.46
5. Melkor
74
00:26.78
6. OldSweep 00:35.69
7. FunAcroFly
70
00:37.72
8. Kegulf
16
00:38.95
9. CLAVDIVS
55
00:41.49
10. ChiefOsceola 00:48.30
11. AnonyMinor
51
01:03.21
12. LiMgZn
35
01:10.95
13. Sanity
3
01:14.39
14. Kristie
4
01:25.70
15. doctorbutterfly
4
01:28.36
16. Shellylh
39
01:42.26
17. sjorford
29
04:55.91
18. R2
52
07:56.34
19.--- empty -----:--
20.--- empty -----:--
This Week
1. picarat
52
00:08.15
2. randomflyintaco
107
00:21.45
3. oshi
27
00:23.37
4. FunAcroFly
70
00:37.72
5. CLAVDIVS
55
00:44.34
6. AnonyMinor
51
01:03.21
7. doctorbutterfly
4
01:28.36
8. Shellylh
39
02:43.48
9. R2
52
07:56.34
10.--- empty -----:--
11.--- empty -----:--
12.--- empty -----:--
13.--- empty -----:--
14.--- empty -----:--
15.--- empty -----:--
16.--- empty -----:--
17.--- empty -----:--
18.--- empty -----:--
19.--- empty -----:--
20.--- empty -----:--
Today
1. CLAVDIVS
55
00:53.90
2. doctorbutterfly
4
01:28.36
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
00:06.34
2. Make
272
00:06.41
3. numbrr
297
00:06.55
4. haramey
230
00:08.35
5. picarat
52
00:08.41
6. vowels
216
00:08.73
7. Vezzick
157
00:08.78
8.anonymous
224
00:09.17
9. TashiroMiraki
215
00:10.33
10. breakfree_lotte
34
00:11.97
AO5
1. Icay
189
00:06.72
2. Make
272
00:06.84
3. numbrr
297
00:07.54
4. picarat
52
00:09.23
5. haramey
230
00:09.36
6. vowels
216
00:09.88
7. Vezzick
157
00:09.89
8.anonymous
224
00:11.52
9. arcer
153
00:12.04
10. TashiroMiraki
215
00:12.83
AO12
1. Icay
189
00:07.78
1. Make
272
00:07.78
3. vowels
216
00:10.82
4. numbrr
297
00:11.23
5. picarat
52
00:12.14
6. haramey
230
00:12.44
7. Vezzick
157
00:13.25
8.anonymous
224
00:13.94
9. soy
147
00:14.23
10. TashiroMiraki
215
00:16.04
Robots / programmatic solversinfo  
1.tlstyer
120
00:00.008
2.4s4f400:00.261
3.Paul Bismuth
1
00:02.926

* 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 19:07:11

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