In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[2511, 'a', 'V', 'J', 'O', 2153, 'P', 'p', 'd', 'B', 'r', 9567, 'U', 'F', 'M', 'o', 'K', 'q', '5555', '5879', '7715', 'z', 'B', '6921', '9849', 'R', '5669', '9957', '1609', 'U', 'q', '8535', '2053', '7673', '915', '2709', '8185', 'R', '993', 'V', 'o', 161, 6089, 'M', 'n'], ['k', 285, 'L', 2111, 'p', 'K', 3685, 9327, 'q', '5555', '5879', '7715', 'z', 'B', '6921', '9849', 'R', '5669', '9957', '1609', 'U', 'q', '8535', '2053', '7673', '915', '2709', '8185', 'R', '993', 'k', 5915, 'Z', 3927, 'g', 'j', 9181, 7123, 425, 'C', 'a', 973, 7437, 5193, 'S', 'z', 'C']