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