In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['j', 'n', 'i', '1193', 'z', 'U', 'V', 'o', 'm', '4003', '3001', 'f', 'S', 'n', '9727', 'C', 'z', '631', 'r', 'W', 'G', 'l', '3847', 'J', 'K', 'p', 'O', '3969', '1347', 'g', 3293], [7439, 367, 8587, 'm', 'T', 'I', 't', 't', 9321, 'd', 991, 967, 'n', 'S', 7381, 9249, 6589, 4345, 771, 'N', 2337, 'I', 'i', '1193', 'z', 'U', 'V', 'o', 'm', '4003', '3001', 'f', 'S', 'n', '9727', 'C', 'z', '631', 'r', 'W', 'G', 'l', '3847', 'J', 'K', 'p', 'O', '3969', '1347', 'r', 3989, 5803, 3513, 'z', 6335, 'e', 2303, 8233, 'P', 'X', 2559, 's', 'P', 9071, 9103, 'k', 'Z', 5733, 4591, 10001, 'K', 8207, 1367, 'V', 6665]