How many 9s are there in the following number sequence which are immediately followed by 8 but not immediately preceded by 2? 2 9 8 4 9 8 1 2 9 7 6 9 8 9 8 7 4 9 8 6 2 9 8

Refer to the following number series (counting is done from left to right): (Left) 8 2 3 4 7 6 6 3 4 5 6 3 3 8 1 3 6 6 8 9 8 (Right) How many such odd digits are there, each of which is immediately preceded by an odd digit and also immediately followed by an even digit?

How many '3's are there in the given sequence which are immediately preceded by an odd number and immediately followed by an even number? 5 8 9 3 4 5 6 3 8 4 5 4 2 1 4 7 6 9 8 7 3 8 4 2 3 2 4 3 5 6 3 4 6 7 3 2 4 5 7