23x15 puzzle
Time:
15
15
15
15
15
15
8
5
6
5
6
7
15
15
4
10
2
9
1
8
1
7
1
7
7
7
6
6
6
6
8
16
13
12
12
11
12
7 4
7 5 1
6 10 1
6 15
23
23
23
23
23
Opacity:
Original image
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