15x23 puzzle
Time:
2
1
1
7
2
13
14
12
3
6
3
1
6
3
1
12
9
2
10
8
4
1
1
1 2
2
3 1 1
4 1 1
7
7 2
10
11
1 11
1 4 6
5 6
2 6
10
9
4 2
Opacity:
Original image
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