8 6
(0,1) (2,3) (4,5) 
(0,2) (1,4) (3,5) 
(0,4) (1,3) (2,5) 
(0,3) (2,6) (5,7) 
(0,6) (1,5) (2,7) 
(5,6) (2,4) (1,7) 
(4,6) (3,7) (1,2) 
(3,4) (0,7) (1,6) 
(4,7) (3,6) (0,5) 
(6,7) 
nodes: 1075   cpu: 10031
0: F F F F F B B M L E  changes: 1
1: F M M B M L L L E E  changes: 1
2: M F L M L M L E E E  changes: 0
3: M L M F B B M F M E  changes: 1
4: L M F B B M F F F E  changes: 1
5: L L L L M F B B L E  changes: 1
6: B B B M F F F L M F  changes: 1
7: B B B L L L M M F F  changes: 1
total boat changes: 7