In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['F', 'w', 8729, 'x', 'h', '6903', '1861', 'D', '7743', 'R', 'q', 'G', '6775', 't', '4511', '2075', '95', 'i', '6935', '4067', 'y', 'M', '3305', 'l', 'm', '5627', 'V', '2133', 'Y', '7157', '1595', 'l', 'l', 'I', 435, 9729, 113, 5521, 'r', 5373, 'V', 'Q', 8751, 'N', 7161, 'p', 'Y', 'H'], ['t', 3107, 'u', 'M', 'm', 9981, 3569, 103, 5397, 'C', 'X', 'D', 3429, 8913, 6615, 'y', 4649, 6205, 'l', 'U', 3941, '6903', '1861', 'D', '7743', 'R', 'q', 'G', '6775', 't', '4511', '2075', '95', 'i', '6935', '4067', 'y', 'M', '3305', 'l', 'm', '5627', 'V', '2133', 'Y', '7157', '1595', 'K', 7547, 4611, 949, 9371, 493, 'k', 'U', 7737, 'N', 'I', 'n', 5953, 'l', 'p', 'b']