In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['q', 's', 1185, 'v', 6949, 8309, 4831, 6401, 9391, 2697, 'U', 4921, 'K', 9351, 1071, 9617, 'h', 'X', 'f', 4209, 5429, '2813', '1659', 'W', 'W', 'f', 'J', 'n', '5599', '1465', '9181', 'J', 'Q', 'U', '9089', 'v', '825', '2191', '1361', 'x', '6851', 'V', 'o', '5425', '6401', '1541', '7459', 'O', 'e', 'N', 5725, 2295, 'L', 7847, 'G'], [9963, 'F', 8117, 'j', '2813', '1659', 'W', 'W', 'f', 'J', 'n', '5599', '1465', '9181', 'J', 'Q', 'U', '9089', 'v', '825', '2191', '1361', 'x', '6851', 'V', 'o', '5425', '6401', '1541', '7459', 'O', 'e', 'Y', 6997, 3277, 'a', 'R', 1049, 'u', 'V', 'B', 3043, 'j', 7899, 'W', 6893, 'R', 2265, 'C', 6173, 6583, 2365, 'J', 'D']