15x19 puzzle
Time:
6
2
7
3
7
6
6
5
6
6
7
2
8 6 4 2 3 4 4 4
1
3
13
15
9  5
9  4
8
8
3  2
1
 
 
 
 
1  1
3
3
3
6
6
1  1
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