20x15 puzzle
Time:
3
2
7
9
5
6
7
6
7
6
15
7
5
7
5
7
5
6
5
7
7
15
6
5
6
2
4
10
11
11
12
13
14
9 2
5 1 1
3 1 2 1
6 2 1
13
1 14
1 13
1 12
12
Opacity:
Original image
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