23x15 puzzle
Time:
1
1
3
1
1
3
1
2
3
1
3
6
6
5
4
5
7
7
8
6
8
8
9
6
1
1
3
1
1
1
3
2
3
1
1 4
2 8
3 8
3 15
13
2 18 1
17 1 3
8 4 9
Opacity:
Original image
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