In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['G', 'Q', 'c', 'o', '4505', 'K', 'C', '1633', '7385', 'C', '3853', 'E', 'N', '9649', 'f', '3225', 'a', 'F', 3317, 3191, 'r', 'N', 't'], ['s', 'g', 'F', 3637, 'l', '4505', 'K', 'C', '1633', '7385', 'C', '3853', 'E', 'N', '9649', 'f', '3225', 'A', 5203, 'i', 'f', 'l', 2039]