15x15 puzzle
Time:
15
15
3
1
6
2
3
2
3
2
3
3
3
3
3
2
2
2
1
2
1
1
1
1
1
11
11
3 2
2
3
2
2
2
2
3
3
3
8
15
9
Opacity:
Original image
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