15x23 puzzle
Time:
7
3
15
3
14
2
14
3
14
19
19
19
19
19
20
20
20
20
7
5 5
15
3 11
1 10
1 10
2 10
15
13
13
13
13
13
13
13
13
13
13
13
13
13
Opacity:
Original image
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