20x15 puzzle
Time:
12
12
1
14
13
13
12
4
5
3
7
1
7
2
5
2
2
2
1
4
6
6
6
7
5
2
9
3
2
2
1
1
3
5
6
8
8 1
9 3
7 2 3
6 4 4
6 2 7 1
11 7
20
10 5 1
16
17
Opacity:
Original image
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