23x15 puzzle
Time:
4 4 4 4 4 4 4 4 5 5 6 4
2
5
1
5
2
6
1
6
1
6
1
6 6
1
6 7
1
7
22
22
22
22
3  10
2  8
3  2
2
2
1
1
 
 
 
 
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