In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[4667, 'c', '7249', '387', 'G', '387', '1161', 'J', '1799', 'Q', 169, 's', 'B', 'w', 'o', 'W'], ['I', 'a', 't', 'e', 1063, 'P', 7959, '7249', '387', 'G', '387', '1161', 'J', '1799', 'R', 1117, 9591, 'z']