Consider the following sequence and answer the question that follows.
3 A β Z ⋆ T Q 7 α # 6 3 ⋆ 5 Δ 1 6 $ L S 6
How many letters are there in the above series, which are immediately followed by another letter but not immediately preceded by a letter?
1
None
2
One
3
Two
4
More than two