In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['s', 1977, 'x', 'v', 5605, 'E', 'T', 4309, 'i', 'w', 'c', 'A', 149, '2167', 'h', '1369', '1415', '4937', 'H', 'V', 'X', 'X', 'T', 'E', '8625', '1671', 'i', '6223', '8035', 'x', '3353', '7697', 'N', 'W', '5387', 'U', '45', '8947', 'T', '3335', '2431', '3819', 'G', 6337, 161, 't', 'z', 'B', 'i', 5633, 6319, 's', 'C', 'M', 'R', 4443, 4109, 'h'], [4905, 'W', 2387, 'X', 'e', 1097, 'd', 'J', 'a', 'H', 8021, 'Y', 'w', 8133, 3831, 'A', 'Y', 's', '2167', 'h', '1369', '1415', '4937', 'H', 'V', 'X', 'X', 'T', 'E', '8625', '1671', 'i', '6223', '8035', 'x', '3353', '7697', 'N', 'W', '5387', 'U', '45', '8947', 'T', '3335', '2431', '3819', 'I', 653, 'N', 1871, 'Y', 2033, 2937, 'X', 'G', 'V', 'R', 1863, 7305, 9601, 's', 'w', 'R', 677]