23x15 puzzle
Time:
1
5
7
9
3
2
3
4
3
2
5
5
3
4
1
4
3
3
4
5
10
9
9
9
6
2
2 1
6
8
11
2 1 6
5 2 6
8 6
4 10
4 2 6
6 7
12
6
Opacity:
Original image
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