In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['I', 5043, 'V', 'j', 'e', '4075', '8257', 'N', '9543', '219', 'e', '4833', 'Q', 'Y', 8877, 1287, 'u', 4747, 't', 1949, 1509, 3561, 'U'], ['J', 'I', 913, 'Q', 995, 7201, 'j', 'e', '4075', '8257', 'N', '9543', '219', 'e', '4833', 'Q', 'K', 3773, 'Z', 'Z', 3537, 1305]