In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[4593, 'L', 4449, 'g', 6405, '1011', 'Z', '2113', 't', '6441', 'C', '5295', 'P', '9823', '8615', '6637', 'W', '8569', '9763', 'p', 3179, 917, 'T', 5107], [6533, 'G', 'h', '1011', 'Z', '2113', 't', '6441', 'C', '5295', 'P', '9823', '8615', '6637', 'W', '8569', '9763', 'F', 'j', 'y', 6841, 8363, 6527, 4495, 'e']