In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['A', 'f', 'D', 9931, '9909', 'j', 'd', '8691', 'v', 'M', '6089', '4361', '3215', '9753', 'i', 7755, 'h', 'K', 'q', 4635, 'g', 'G', 'g'], ['l', 4775, 'l', 'y', 9393, 'C', 'g', '9909', 'j', 'd', '8691', 'v', 'M', '6089', '4361', '3215', '9753', 'y', 'X', 'P', 'N', 'Q', 'C', 'w', 9901]