In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['r', 'X', 8955, 3299, 'P', 'B', 1889, 'V', 3131, 5363, 't', 9409, 2895, 'z', '9029', 'o', '8517', 'W', 'G', 'I', '5451', 'f', 'O', '1663', '3249', '8999', 'X', '3453', 'p', '4117', '7531', '527', '2189', 'x', '163', 't', 'G', '6271', '5271', '7449', '1567', 'v', 'u', 'l', 'S', 'Z', 2747, 'B', 'm', 5647, 6827, 4369, 'Y', 4165, 2589, 4107, 7627, 'L', 5781, 4219, 'B', 'v', 'U', 7813], ['b', 'i', 'o', 499, 'Y', 609, 'G', 8905, 'v', 'X', 4227, 13, 'P', 'Z', 1573, 'S', 'x', 'c', 8913, 'o', 'n', 3059, 'w', 263, 'E', 'u', 9051, 'h', 793, 't', 'z', '9029', 'o', '8517', 'W', 'G', 'I', '5451', 'f', 'O', '1663', '3249', '8999', 'X', '3453', 'p', '4117', '7531', '527', '2189', 'x', '163', 't', 'G', '6271', '5271', '7449', '1567', 'v', 'u', 'Y', 2891, 9767, 'q', 7731, 'z', 2217, 1769, 9829, 3743, 6275, 'w', 'c', 845, 3179, 'Q', 'I', 'm', 2957, 't', 6011]