15x30 puzzle
Time:
9
1
1
20
24
27
1
8
13
7
12
3
10
7
13
2
2
1
2
4
4
5
6
6
6 1
8
4 2
4 2
4 2
4 2
5 2
8
8
7
7
6 1
7
6
6
7
7
7
5
Opacity:
Original image
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