15x23 puzzle
Time:
1
3
13
5
6
5
6
6
2
1
6
12
6
4
2
6
4
2
2
6
4
7
5
2
1
5
1
9
8
7
7
4
4 1
1 1 3
2 1 2
4 1
4 1
2 4
7
5 1
8
9
9
9
7
Opacity:
Original image
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