17x28 puzzle
Time:
4
8
11
12
12
2
13
1
18
14
11
13
13
14
1
17
3
18
24
25
1
3
3
4
2
1 2
2
2 3
2 4
1 4
1 4
2 5
3 7
5 7
14
14
14
15
15
15
16
16
16
16
15
Opacity:
Original image
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