23x15 puzzle
Time:
1
5
1
5
6 7 8 8 7 7 7 6 8 7 6 6 6
1
8 8 8 8 6
1
5
2
6 5
2
 
 
 
 
 
 
1
2  13
2  20
21
23
23
20
12  4  1  1
9  1  7  1
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