15x21 puzzle
Time:
2
1
7
2
2
3
4
5
1
11
3
8
4
9
2
9
3
9
4
1
2
2
2
4
4
2
1
1
2
2
2 4
7 2
7 1
1 7
9
8
8
7 2
7
3 3
3 2
1
3 1
3 2
2 8
2 7
Opacity:
Original image
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