15x15 puzzle
Time:
4
1
4
1
3
3
3
1
2
1
1
1
1
3
4
4
5
1
2
2
5
4
2
7
15
10
1 1 2 2
1 1 5
1 4
1
3
3
1
2
1 2
4
1 1 5
10
3 5
10
Opacity:
Original image
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