18x13 puzzle
Time:
4
1
3 3 2
1
3
1
3
1
3
1
4
1
4
1
4
1
3
1
3
1
4
1
4
1
4
1
3
1
5 12
 
1
1
1
1
1
4  1
3  11  1
18
10  7
1  6
2
1  15
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