Consider the following number sequence:
V 6 7 E 5 % F & F $ I 14 @ N 1 U 91 © Z H € G 10 J M 12 A 9 ¥ D 5 C K 4 B * 23 # J
How many such numbers are there in the above series which are immediately followed by a symbol and preceded by a vowel?
1
1
2
2
3
3
4
4