45x15 puzzle
Time:
4
3
4
2
4
3
4
3
4
3
4
3
4
3
4
3
4
3
4
3
4
3
4
3
4
2
1
4
2
1
4
2
1
4
2
1
4
2
1
4
2
1
4
1
1
4
1
1
4
1
1
1
4
1
1
4
1
1
4
1
1
4
1
1
4
1
1
4
1
3
4
6
4
1
3
5
1
5
2
5
1
2
5
1
2
5
2
2
34
34
34
34
5
 
 
1  10
18  1
29  3
1
1
1  3
3  4
22
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