10 6
(0,1) (2,3) (4,5) 
(0,2) (1,4) (3,5) 
(0,4) (1,3) (2,5) 
(0,3) (2,4) (1,5) 
(3,4) (5,6) (1,2) 
(3,6) (1,7) (2,8) 
(1,6) (2,7) (8,9) 
(2,6) (1,8) (0,9) 
(6,8) (0,7) (1,9) 
(7,8) (0,5) (6,9) 
(5,7) (2,9) (0,6) 
(7,9) (4,6) (0,8) 
(4,9) (3,8) (6,7) 
(4,8) (5,9) (3,7) 
(5,8) (3,9) (4,7) 
nodes: 5336734   cpu: 172800106
0: F F F F B B B L M M L L E E E  changes: 1
1: F M M L L M F M L E E E E E E  changes: 0
2: M F L M L L M F B B M E E E E  changes: 1
3: M L M F F F B B B B B B M L M  changes: 1
4: L M F M F B B B B B B M F F L  changes: 1
5: L L L L M B B B B M F B B M F  changes: 2
6: B B B B M F F F F L L M L E E  changes: 1
7: B B B B B M M B M F F F L L L  changes: 2
8: B B B B B L L M F F B L M F F  changes: 2
9: B B B B B B L L L L M F F M M  changes: 1
total boat changes: 12
max imbalance: 1