1 1 1 1 1 1 1 
1 2 2 2 3 3 3 
1 3 2 3 2 2 3 
3 2 1 3 3 2 2 
2 3 3 2 3 2 1 
3 3 1 2 2 3 2 
2 2 3 3 2 3 1 

68627[+0] millis.
49022[+0] nodes