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