In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['j', 7777, 2071, 'V', 'L', '2679', 'z', 'c', '5445', 'h', 'v', '6787', 'j', 'T', '871', '1359', '2923', '6567', 's', '4219', '4249', '8051', 'Z', 'i', 9189, 2691, 1103, 'y', 'b', 4113, 9939, 'x', 'T'], ['U', 'B', 'n', 4733, 751, 8663, 'S', 'q', 2361, 'i', 8021, 8783, 5, 'E', 'P', 'L', '2679', 'z', 'c', '5445', 'h', 'v', '6787', 'j', 'T', '871', '1359', '2923', '6567', 's', '4219', '4249', '8051', 'o', 5533, 413, 'e', 129, 'w', 5251, 39, 'O', 'b']