15x20 puzzle
Time:
10
10
11
10
11
11
10
10
1
10
7
12
9
10
20
20
20
20
6
6
6
6
6
6
6
1 5
6
1 2 1 4
15
15
15
15
15
15
15
15
15
15
Opacity:
Original image
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