23x15 puzzle
Time:
7 3
2
4
2
4
2
4
2
3
1
2
2
1
4 4 4 4 4 4 1
4
4
 
 
 
 
 
 
 
1
1  3  1  4
7  2  4
6  1  4
16  5
1  17
5  16
23
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