15x15 puzzle
Time:
15
11
3
3
3
2
3
2
6
3
4
4
2
4
3
5
3
3
1
2
10
9
6 2
2 2
2 1
2 1
2
3
3
3
2 1
1 3
2 5
10
10
Opacity:
Original image
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