In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['H', 'C', 'U', 'V', 'a', '7035', '3365', 'R', '4609', 'k', 'y', 'b', 'S', 3185, 407, 'F', 'u', 6115, 'O', 6503, 'e', 'f'], [2531, 'Q', 'd', 'Y', 'j', 'U', 'V', 'a', '7035', '3365', 'R', '4609', 'k', 'y', 'b', 'q', 'c', 8095]