In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.

['o', 'U', 'x', 9677, 'U', 1963, 'f', 2637, 'r', 'k', 9713, 5443, 619, 8701, 4105, 5281, 1431, 6981, 'B', 's', 'S', '4721', 'B', 'T', 'u', '2793', '8651', 'L', '2005', 'D', '5097', 'F', '5473', 'T', '3973', '8753', '3067', '4257', 'd', 'j', 'K', 'F', 'c', 4151, 6811, 'K', 'Y', 'u', 'l', 4319, 491, 'R', 4789, 5117, 'p', 'Z', 9857], ['U', 8909, 9735, 'i', 9603, 'x', 'o', 9987, 'R', 'w', 7957, 7319, 'v', 369, 2713, 'B', 's', 'S', '4721', 'B', 'T', 'u', '2793', '8651', 'L', '2005', 'D', '5097', 'F', '5473', 'T', '3973', '8753', '3067', '4257', 'd', 'j', 'h', 'l', 'e', 5777, 3787, 'm', 5299, 'w', 6457, 'V', 'u', 'M', 9009, 7955, 2187, 9289, 3943, 'D', 6039]
B, s, S, 4721, B, T, u, 2793, 8651, L, 2005, D, 5097, F, 5473, T, 3973, 8753, 3067, 4257, d, j