SR, A, Room cost: 4, Hallway cost: 1
A, B, Room cost: 3, Hallway cost: 2
B, D, Room cost: 1, Hallway cost: 1
A, C, Room cost: 2, Hallway cost: 4
C, B, Room cost: 3, Hallway cost: 2
C, E, Room cost: 2, Hallway cost: 3
D, E, Room cost: 2, Hallway cost: 1
SR, C, Room cost: 2, Hallway cost: 2
E, BL, Room cost: 0, Hallway cost: 5