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