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