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