20x15 puzzle
Time:
2
12
7
1
3
2
3
1
4
1
1
2
1
2
6
7
8
1
5
1
3
2
1
1
2
1
2
1
1
3
6
6
1
7
2 1
2 2 1
1
2
4
3
2
1 2
1 2 1
1 3 5
2 5 3
1 2 4 3
4 5 4
12 7
13 6
Opacity:
Original image
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