In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['H', 'w', 'e', 'A', 'K', 'O', 'M', 'I', 'z', '7615', '4419', 'q', 'F', '2607', '569', 'e', 'k', 'c', 'c', 9065, 6543, 1689, 7951, 3103], ['q', 'b', 'M', 5369, 243, 'M', 'I', 'z', '7615', '4419', 'q', 'F', '2607', '569', 'e', 'k', 'c', 'U', 1301, 6731]