Refer to the following number series and answer the question that follows (all numbers are single-digit numbers only and counting to be done from left to right only).
(Left) 6 7 6 5 2 2 7 3 1 2 8 8 1 2 7 6 8 9 7 1 4 8 2 (Right)
How many such even digits are there, each of which is immediately preceded by an even digit and also immediately followed by an even digit?
ATwo
BNone
CThree
DOne