23x15 puzzle
Time:
1
2
2
3
2
1
2
1
1
1
1
1
5
2
4
12
13
13
12
2
15
15
7
7
4
6
7
7
7
7
7
6
3 7
4 1 1 7
3 1 1 8
3 10
2 1 6 3
1 8
4
Opacity:
Original image
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