In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[9337, 7863, 'Q', 6801, 3035, 6529, 8523, 'n', 'w', 4737, 1495, 'J', 4115, 'R', 9401, 'Z', 3795, 'I', 6833, 829, 945, 4029, 243, 'h', 't', 'D', '2753', 'I', '6285', 'L', 'Q', '2671', '5619', '3387', 'd', '7229', 'f', '9081', '7713', 'b', 'x', 'H', '4977', 'R', '5401', '271', 's', 'B', 'b', 7039, 'U', 2191, 'S', 8327, 401, 'Y', 'U', 'J', 'x'], [1303, 'a', 'b', 'm', 3477, 6303, 'I', 5321, 'a', 'y', 'N', 'A', 'h', 't', 'D', '2753', 'I', '6285', 'L', 'Q', '2671', '5619', '3387', 'd', '7229', 'f', '9081', '7713', 'b', 'x', 'H', '4977', 'R', '5401', '271', 's', 'B', 'f', 7085, 'h', 1377, 9055, 'O', 4645, 'C', 'G', 2127, 7681, 10011, 'g', 9011, 'w', 'N', 'F', 8485, 1173, 'U']