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