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