In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['s', 2787, 's', 'U', 9379, 'h', 8745, 675, 'F', 'd', 4801, 'Z', 'P', 'l', 8181, 9045, '2181', 'R', '8109', '8609', '3601', '3631', '689', '2901', '9057', '9229', 'm', '4461', '2423', '3795', '7315', 'k', 'h', '6673', '2745', '213', 'o', 'A', 2127, 4597, 'T', 3089, 'c', 9947, 'e', 'G', 'a', 'D', 'c', 477, 2097, 9665], ['R', 'S', 737, 'F', 3405, 835, 'B', 6895, '2181', 'R', '8109', '8609', '3601', '3631', '689', '2901', '9057', '9229', 'm', '4461', '2423', '3795', '7315', 'k', 'h', '6673', '2745', '213', 'L', 5393, 8897, 'q', 5969, 7633, 2055]