15x23 puzzle
Time:
23
23
23
23
23
1
19
1
18
13
13
12
9
8
1
2
3
8
7
5
5
5
6
7 1
7 1
7 2 1
12
12 1
13 1
12 1
12 1
13 1
13 1
12 1
11 1
10
10
9
8
7
7
Opacity:
Original image
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