20x15 puzzle
Time:
2
11
14
14
13
11
10
9
8
7
3
3
3
3
2
3
1
3
1
2
1
2
4
3
2
3
2
4
2
4
1
3
4
3
5
6
7
8 2
11 4
12 4
14 4
9 2
13 1
20
19
Opacity:
Original image
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