Refer to the given number, symbol series and answer the question that follows.
(Left) & 2 @ 1 2 $ 8 & # 4 & * % 5 ^ % & @ 2 1 4 % # 2 1 (Right)
How many such numbers are there which are immediately preceded by a symbol and also immediately followed by a symbol?
1
5
2
2
3
3
4
4