20x15 puzzle
Time:
4
1
1
5
9
1
9
10
1
8
1
8
1
10
9
9
2
12
12
8
1
1
3
1
1
4
1
1
1
3 1
1 3
8
11 1
1 11 1
1 12
1 12 1
1 12 1
1 14
8 5 1
3 1 5 1
3 1 4 1
2 1
2
Opacity:
Original image
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