In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['e', 1275, 8803, 261, 'c', 5405, 'I', 129, 'z', 9157, 'h', 'Z', 't', 'I', 'B', 'U', 4445, 'c', 'N', '1241', '6475', 'H', 'R', '4649', '9933', '5105', 'K', '6883', '7819', '1969', '959', '6353', '7133', 'a', '5679', 'i', 'O', 'Z', 'J', '9731', '1205', 'N', '5169', 'z', 1887, 'T', 'S', 'L', 'M', 'G', 't', 'z', 'm', 'p', 287, 'O', 5795, 'O', 7139, 'm', 'r', 1963, 'A', 1003, 107, 'B', 'r', 's', 6935], ['K', 'F', 95, 9857, 9957, 'A', 'D', 'c', 'N', '1241', '6475', 'H', 'R', '4649', '9933', '5105', 'K', '6883', '7819', '1969', '959', '6353', '7133', 'a', '5679', 'i', 'O', 'Z', 'J', '9731', '1205', 'N', '5169', 'S', 'R', 'n', 4973, 'Z']