15x20 puzzle
Time:
2
2
2
2
9
2
9
3
3
3
1
3
12
12
13
13
15
15
1
1
2
4
8
10
10
2 6
2 6
2 7
2 6
10
13
13
6
6
1 2
1
Opacity:
Original image
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