In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['u', 4429, 'd', 8355, 'K', 'c', 'j', '821', '6891', '649', 'Q', '2157', 'v', 'T', 'H', 3833, 8129], ['w', 'A', 2851, 6115, 'K', 'c', 'j', '821', '6891', '649', 'Q', '2157', 'v', 'G', 5683, 2919, 8101, 'U', 'D', 'N', 2739]