15x15 puzzle
Time:
12
2
8
2
6
2
3
2
1
2
1
2
1
3
4
1
4
5
6
12
10
12
1
15
13
13
1 6
1 6
1 5
2 1 4
3 6
3 5
4 7
13
4 4 2
3 3 2
1 1
2
1
Opacity:
Original image
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