Refer to the following letter, number, symbol series and answer the question that follows.
(Left) B 4 G ∞ T % 3 S D 2 @ 6 7 R Z Ω C & 5 M (Right)
Which is the eighth element to the left of the fifteenth element from the left and end of given series?
1
2
2
∞
3
D
4
3