23x15 puzzle
Time:
10
10
10
2
7
2
7
10
10
10
2
7
10
11
10
10
10
10
4
5
10
2
7
3
2
4
1
10
2
7
9
10
1
1 1
21 1
23
3 3 8 1 2
23
15 7
18 4
23
23
23
23
Opacity:
Original image
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