23x15 puzzle
Time:
7 7 7 7 7 6 6 6 6 6 6 5 5 5 2
5
1
5
1
5
1
1
5
2
5
2
5
2
4
1
1
4
4
1
 
1  4
7
1
 
 
 
5
11
20
23
23
23
23
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