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