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