8 6
(0,1) (2,3) (4,5) 
(0,2) (3,4) (1,5) 
(2,4) (1,6) (3,5) 
(4,6) (2,5) (3,7) 
(5,6) (0,3) (4,7) 
(3,6) (1,4) (0,7) 
(1,3) (6,7) (0,4) 
(1,7) (0,5) (2,6) 
(5,7) (1,2) (0,6) 
(2,7) 
nodes: 2018328   cpu: 40572684
0: F F B B M L L M L E  changes: 1
1: F L M B B M F F M E  changes: 1
2: M F F M B B B L M F  changes: 1
3: M M L L M F F E E E  changes: 0
4: L M F F L M L E E E  changes: 0
5: L L L M F B B M F E  changes: 1
6: B B M F F F M L L E  changes: 1
7: B B B L L L M F F F  changes: 1
total boat changes: 6
max imbalance: 1