In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[4935, 7205, 2055, 'X', 'u', 'D', 679, 5297, 7729, 'f', 'c', 19, 4839, 7481, 5551, 'U', 'v', 'H', 'n', 'D', '9543', 'b', '7861', 'J', '6337', '7903', 'y', '1291', 'I', '7593', '3003', 'F', 'Z', '185', 'V', 'u', '5879', '8097', '8079', 'r', '217', '1671', 'A', 1511, 'A', 'U', 9509, 'F', 'j', 3661, 3581, 's', 'F'], ['P', 1779, 'p', 'N', 't', 'G', 5121, 'p', 'D', '9543', 'b', '7861', 'J', '6337', '7903', 'y', '1291', 'I', '7593', '3003', 'F', 'Z', '185', 'V', 'u', '5879', '8097', '8079', 'r', '217', '1671', 'q', 'F', 'H', 1665, 'l', 'g', 7495]