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