23x15 puzzle
Time:
3
8
12 12 12 3
8
3
8
2
7
2
5
8 1
6
2 1
2
1 2 1 2 3 4 2 1
 
 
 
6
10  1  3
9  6
3  2  1  3
10  1
10
13
12
10
7
7
6  1
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