20x15 puzzle
Time:
2
1
1
1
4
10
1
3
2
5
2
8
9
1
12
12
13
3
8
11
11
5
5
6
4
6
2
7
5
2 6
7
7 1
2 6 3
1 13
1 13
1 12
1 12
1 11
1 2 6
1 5 8 1
1 5 8 1
3 1 4 1
6
6
Opacity:
Original image
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