In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['p', 's', 5551, 8319, 4739, 7147, 427, 6677, 5595, 5185, 'm', 'u', '1049', '4955', '9641', '6121', 'Q', 'y', 'h', 'J', 'I', '1677', '9883', 'F', 'f', '6521', 'V', 'F', 39, 181, 8683, 'o', 'c'], [3993, 'H', 5585, 35, 4891, 9449, 'm', 'u', '1049', '4955', '9641', '6121', 'Q', 'y', 'h', 'J', 'I', '1677', '9883', 'F', 'f', '6521', 'V', 'S', 'H', 'b', 'r', 5153, 533, 'V']