In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[3055, 5131, 'd', 5861, 5931, 'U', 6927, 'j', 'Y', 'm', 'i', 'V', 'b', 'l', 9231, 'S', '7827', '2767', 't', 'M', 'j', '7179', 'b', 'J', '6991', 'a', 'x', 'q', 'V', 'C', '5085', '5269', 'H', 'K', 'z', 'N', 2081, 'A', 'y', 425, 3921, 'e', 4021, 'w', 'E'], [2431, 'X', 9461, 'r', '7827', '2767', 't', 'M', 'j', '7179', 'b', 'J', '6991', 'a', 'x', 'q', 'V', 'C', '5085', '5269', 'H', 'K', 'p', 'B', 'Q', 7717, 'U']