15x19 puzzle
Time:
1
2
4
1
6
1
6
3
1
5
2
1
5
1
1
9
2
13
7
9
7
1
6
5
1
1
2 2
4 2
9 1
11
10
9
7
7
11
2 6
1 2 1 2
2 2 3
3
Opacity:
Original image
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