23x15 puzzle
Time:
8 7 5
1
4 4 4 4 4 4
2
4
2
4
2
4
1
4
1
4
1
4
1
4
1
4
1
4
1
4 4
1
4
1
6
1
7
1
23
23
23
23
3  2
2  4
3  1
1
6  2
3  4
 
 
 
 
 
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