In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['T', 'a', 'F', 9741, 8497, 4663, 'v', 627, 3077, 'r', 'N', 'j', 'p', 'U', 'S', 'f', 't', 'Q', 'l', '2227', 'I', '3733', '6009', '7711', '3447', '1261', '2899', '2437', '7003', '9199', 'l', 'F', 3869, 2357, 2703, 'N', 1949, 'L', 7611, 5587, 'X', 4499, 'N', 8555, 6207], ['i', 'e', 'N', 'j', 'p', 'U', 'S', 'f', 't', 'Q', 'l', '2227', 'I', '3733', '6009', '7711', '3447', '1261', '2899', '2437', '7003', '9199', 'l', 'p', 'Q', 'o', 'n', 't', 7217, 757, 'x', 1507, 's', 'S', 1837, 'Y', 'M', 7721]