A's attack 1d20+4 : 3 + 4, total 7
A's damage 4d6 : 2, 4, 4, 6, total 16
B's attack 1d20+4 : 19 + 4, total 23
B's damage 4d6 : 1, 6, 1, 2, total 10
LoB's attack 1d20+20 : 8 + 20, total 28
LoB's damage 14d2+9 : 2, 1, 2, 1, 2, 2, 1, 1, 2, 1, 2, 1, 1, 1 + 9, total 29