20x15 puzzle
Time:
5 5 5 5 5 6 7 6 5 1
3
2
3
2
3
4
3
2
3
6 1
4
6 6 6 5
 
 
 
 
 
 
 
3
1  5
3  7
9  1  1  4
9  6
20
20
20
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