15x23 puzzle
Time:
1
6
5
5
5
10
1
6
23
23
23
23
23
23
23
23
8
2
11
5
2
1 11
11
10
11
11
11
11
11
9 1
9 1
8 1
8 1
9 1
8 1
8
8 1
8 1
1 9 1
13 1
13 1
13
13 1
13 1
Opacity:
Original image
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