In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[7775, 'l', 5213, 129, 9053, 'M', 'm', 'o', 7099, 5933, 'E', 'N', 8573, 'C', 87, '9773', 'Q', 'N', 'p', 'c', 'H', '3051', '3575', 'R', 'l', '6263', '5931', '647', 'k', 'O', 'Q', '2099', '7753', '7623', '7875', '2449', 'F', 'Z'], ['M', 3923, 'L', 'u', 'x', 'v', 9181, 'j', 'S', 'R', 3859, 8779, 7949, 'C', 6819, 'Y', 'W', '9773', 'Q', 'N', 'p', 'c', 'H', '3051', '3575', 'R', 'l', '6263', '5931', '647', 'k', 'O', 'Q', '2099', '7753', '7623', '7875', '2449', 'e', 4825]