In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['E', 'q', '2249', 'e', 'f', 'w', '3381', '2313', '2587', '2461', '9955', 'M', 'x', '191', 'E', '6437', '2015', 't', '7411', 'j', '9027', '7241', '3893', 'I', '6125', 'S', 'd', 'C', '1303', 'U', 8333, 8435, 'N', 3891, 3199, 8045, 'e', 'r', 7093, 941, 'R', 'o', 'd', 7857, 'W', 'R', 545, 1145], ['j', 'm', 7251, 4569, '2249', 'e', 'f', 'w', '3381', '2313', '2587', '2461', '9955', 'M', 'x', '191', 'E', '6437', '2015', 't', '7411', 'j', '9027', '7241', '3893', 'I', '6125', 'S', 'd', 'C', '1303', 'l', 6703, 't', 'w', 347, 'E', 1873, 1497, 3809, 7147, 'Q', 'h', 'X', 'n', 3331, 6739, 'E', 4767, 407, 'U']