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