15x20 puzzle
Time:
13
3
9
3
2
5
5
5
2
2
5
5
2
5
17
17
15
1
2
2
6
5
6
12
5
5
5
5
12
2
2
5
4
3 4
15
15
1 1 3 5
15
15
2 3 1 1
2 6 1
15
15
15
15
15
Opacity:
Original image
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