In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[6389, 2637, 8027, 'e', 6637, 6233, 7893, 4549, 5451, 'h', 'E', '7055', 'v', 't', '9167', 'G', '8615', '8457', 'X', 'd', 'E', '5389', 'L', '5709', '7573', 'v', 'k', '4363', 'F', 'O', 'M', 'p', 'w', 'R', 'v', 3041, 'I', 4663, 4999, 'L', 'U', 4399, 4719], ['k', 'D', 'v', 'Y', 'h', 'r', 'F', 2875, 8627, 'G', 1823, 'Q', 2669, 'e', 9409, 631, '7055', 'v', 't', '9167', 'G', '8615', '8457', 'X', 'd', 'E', '5389', 'L', '5709', '7573', 'v', 'k', '4363', 'F', 'O', 'M', 'p', 'w', 'u', 9109, 8329, 6127]