In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['u', 8153, 1905, 5145, 'T', 'p', 1723, 2343, 'k', 'v', 871, '3109', '3319', 'E', 'G', 'H', '8181', '5331', '7249', 'f', '45', 'A', 'U', '5569', 'Q', '4971', 'B', '4173', 'l', '735', '9165', 'P', 4533, 2591], [6057, 8627, 8523, 2747, 4005, 'I', 'g', 'W', 'L', 8041, 'Y', 7935, 5453, '3109', '3319', 'E', 'G', 'H', '8181', '5331', '7249', 'f', '45', 'A', 'U', '5569', 'Q', '4971', 'B', '4173', 'l', '735', '9165', 'T', 3381, 5449, 1477, 'L', 5881, 'l', 'f', 'G', 775, 'F', 'i', 8259, 'P', 4329, 1761, 'w', 851, 'R']