15x18 puzzle
Time:
17
12
6
5
3
3
2
2
1
11
1
12
2
14
2
15
18
18
18
18
6
1 8
1 4
1 5
1 6
1 6
3 7
3 8
3 8
3 8
3 8
3 8
2 8
3 8
3 8
5 8
15
15
Opacity:
Original image
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