23x15 puzzle
Time:
2
2
6
3
5
3
3
2
7
6
1
6
10
8
1
6
3
6
7
3
5
9
9
9
1
5
1 10
2 9
4 9
13 3
3 6 6
4 6 5
3 7 4
1 5 1 4
1 5 4
Opacity:
Original image
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