20x15 puzzle
Time:
6
6
6
5
6
6
4
4
3
3
2
8
1
3
4
2
8
1
4
1
5
1
5
1
5
3
2
1
2
1
1
3
2
2
3
3 1
3 2 3
6 1 1 4
8 10
20
17
17 2
Opacity:
Original image
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