In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['L', 'h', 't', 3015, 3547, 'i', 'M', 'T', '33', '8465', 's', '7247', 'G', 's', 'r', '2775', 'E', 'F', '533', 'b', 4825, 'c', 'k', 3403], ['h', 273, 1035, 'z', 'i', 'M', 'T', '33', '8465', 's', '7247', 'G', 's', 'r', '2775', 'E', 'F', '533', 'N', 5241, 'f']