In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['E', 1917, 'm', 'H', 3013, 'Z', 't', 'R', 5701, '5581', 'H', 'x', '5595', 'a', '6931', 'n', 'g', '1779', 'j', '2101', 'U', 2757], [9369, 6893, 'N', 'd', 'q', 1155, 9233, 9305, 'z', '5581', 'H', 'x', '5595', 'a', '6931', 'n', 'g', '1779', 'j', '2101', 'f', 'P', 3649]