20x15 puzzle
Time:
2
1
3
4
2
5
9
10
1
12
13
13
4
7
1
8
4
1
3
3
1
1
1
1
1 3
1 4
4
1 5
2 3
4 3 1
3 5
2 5 1
3 5 1
4 6
4 6 2
6 6 2 1
1 3 6 2
Opacity:
Original image
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