B1A, D8E, F27I, ----------------, J125Q
L80M
H64M
H64L
H64K
H81M
B1A, D8E, F27I, ----------------, J125Q
In this series, first character follows the pattern of +2, second digit is the cube of numbers
starting from 1, 2 and so on, and last character follows the pattern of +4. So, at the end, F+2= H
cube of 4 is 64, I+4=M.