Thirty-six persons are sitting in a row facing north. Jatin is exactly in the middle of
Harish and Shovan. After Harish and Shovan interchange their positions, Harish
becomes 10th from the left end and Shovan becomes 13th from the right end.
What is Jatin’s position from the right end?

A

20th

B

22nd

C

19th

D

17th