In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[5667, 't', 6865, 6411, 9087, 'o', 2043, 2229, 'v', 't', 'N', 'c', 'v', '121', 'a', '3547', 'V', '3765', 'N', 'J', 'T', 'C', 'I', 'F', 'w'], [4069, 4947, 'c', 'E', 'p', 'P', 6185, 'b', 4629, 1281, 5785, 'v', 't', 'N', 'c', 'v', '121', 'a', '3547', 'V', '3765', 'N', 'J', 'T', 'C', 'b', 'J', 4297, 'S', 8857]