In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[1741, 'n', 2233, 'l', 'u', '3209', 'O', 'I', '8345', 'n', '2959', '6377', '2613', 'L', 'f', '7227', '7491', '4787', '3113', 'E', 'L', '6963', 'H', 'W', 'k', 'p', 'q', 'O', 1353, 7249], ['u', 1449, 4059, 4711, 9919, 5567, 9837, 'i', 5761, 'u', '3209', 'O', 'I', '8345', 'n', '2959', '6377', '2613', 'L', 'f', '7227', '7491', '4787', '3113', 'E', 'L', '6963', 'z', 1927, 'O', 'j', 8857]