15x21 puzzle
Time:
2
9
11
8
3
4
2
3
3
2
1
3
1
1
3
3
1
3
4
2
12
7
5
10
8
2
3
7
9
4 2
4 3
3 4
12
6 4
3 1 2
2 6
3 6
4 6
3 2
6
3
3
2
Opacity:
Original image
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