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