23x15 puzzle
Time:
1
4
1
3
1
3
1
3
1
3
1
2
1
2
2
2
2
2
3
2
3
2
4
2
4
2
4
3
4
3
4
9
9
9
9
1
9
1
7 11
11
7
5
5
1 10
5 12
23
23
Opacity:
Original image
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