15x23 puzzle
Time:
11
1
5
4
5
3
9 9 9 9 9 9 7 3
7
3
4
1
3
1
3
2
4
 
 
 
 
 
1
9
14
15
15
10  1
1  12
12  1
12
9  2
2  1
1
2
 
 
 
 
1
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