In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['E', 9919, 1679, 7639, 'd', '4091', 'H', '7213', '6251', '6713', 't', 'c', '6323', 'D', '8001', 'b', '1207', 'C', 'Y', 'b', 'Y', 'm', 5699, 1781, 8905, 5855], [369, 'd', 8391, 1617, '4091', 'H', '7213', '6251', '6713', 't', 'c', '6323', 'D', '8001', 'b', '1207', 'C', 'Y', 't', 3827, 2933, 6611, 9623, 1627, 'T', 1173, 815]