Which figure should replace the question mark (?) if the following series were to be continued?

Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e.
.
In figure 1 to 2 and figure 3 to 4:
Left side all 3 letters are interchanging their position with each other and right side all 3 letters are interchanging their position with each other.
In figure 2 to 3 and figure 4 to 5:
Top-left and bottom-right letters are interchanging.
Letters are horizontally shifting in a circular manner and 2nd letter from the right is replaced by a new letter.
