20x15 puzzle
Time:
9
10
9
9
9
9
10
3
6
2
6
2
6
2
6
2
6
2
6
9
9
3
1
3
4
1
5
1
5
1
1 2 3
20
20
7 7
15 2
15
15
15 1 1
15 1
16
Opacity:
Original image
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