In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['r', 9377, 'j', '9149', 'F', '4341', '7967', 'w', '1937', 'p', 'h', 'C', 'F', 'z', 'o'], [9137, 7379, 'K', 959, 'H', 641, 3839, '9149', 'F', '4341', '7967', 'w', '1937', 'p', 'h', 'E', 'R', 6533, 8843, 5491]