8 6
(0,1) (2,3) (4,5) 
(0,2) (1,4) (3,5) 
(0,4) (1,3) (5,6) 
(3,4) (0,5) (6,7) 
(0,3) (2,6) (5,7) 
(3,6) (1,5) (2,7) 
(1,6) (2,5) (3,7) 
(1,2) (0,7) (4,6) 
(1,7) (2,4) (0,6) 
(4,7) 
nodes: 231437   cpu: 3600109
0: F F F M F B B M L E  changes: 1
1: F M M B B M F F F E  changes: 1
2: M F B B M L M F M E  changes: 1
3: M L M F F F L E E E  changes: 0
4: L M F F B B B L M F  changes: 1
5: L L L M L M M E E E  changes: 0
6: B B L L M F F L L E  changes: 1
7: B B B L L L L M F F  changes: 1
total boat changes: 6
max imbalance: 2