18x15 puzzle
Time:
2 2
5
1
2
6
1
2
6
1
2
5
1
2
6
1
2
5
1
2
5
1
2
5
1
2
6
1
1
6
1
5
1
1
5
1
6
1
7
1
14
10  1
11  1  1
1
3
9
15
15
15
15
6  2  2
2  1  1
1
1
15
 
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