20x15 puzzle
Time:
1
4
3
2
2
3
1
1
11
12
14
15
5
8
4
8
4
1
6
4
1
2
1
5
1
1
4
3 2
7
3 1 7
3 9
2 5 1 1
1 1 5
4
9
6
9
8
1 7 1
2 7 1
2 6 1
1 8
Opacity:
Original image
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