The average of 19 numbers is 58. The average of the first 12 numbers is 63.6 and the average of the last 8 numbers is 55.1. If the $$12^{th}$$ number from the beginning is excluded, then what is the average of the remaining numbers?

A

$$55\frac{5}{9}$$

B

$$61\frac{1}{3}$$

C

$$53\frac{2}{3}$$

D

$$54\frac{4}{9}$$