In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[6469, 'q', 737, 3633, '3641', '8603', '3629', 'i', '8925', '633', 'd', 'I', 'O', '257', '2299', 'X', '1489', 'Z', 9053], ['e', 'G', 'r', 9849, 1851, 1219, 'c', 6321, '3641', '8603', '3629', 'i', '8925', '633', 'd', 'I', 'O', '257', '2299', 'X', '1489', 'M', 'Z', 'w', 6975, 'g', 'y', 1047]