In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['u', 'E', 1955, 6451, 4443, 'U', 'r', 'h', 'N', '7333', 'L', '7365', 'T', 'J', '559', '391', 'Z', 'K', 'a', 'n'], [5235, 'v', 4011, 5197, 'U', 'r', 'h', 'N', '7333', 'L', '7365', 'T', 'J', '559', '391', 'Z', 'u', 8021, 6607, 'S']