In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[4623, 4767, 1871, 'X', 7201, 'O', 6095, 'z', 'Z', 'B', '135', 'n', '4803', '1465', 'q', 'I', 'P', '9219', '349', 'w', '7305', '949', 'N', 'E', 'z', 'j', 499, 4529, 1465, 6385, 'j', 6237, 'f', 9785, 5677, 'A', 'M', 8989, 8339, 'j'], ['G', 'C', 'Z', 7969, 'q', 6383, 'V', 'z', 'Z', 'B', '135', 'n', '4803', '1465', 'q', 'I', 'P', '9219', '349', 'w', '7305', '949', 'N', 'E', 'x', 'a', 1963, 3691, 8615, 'A', 9731, 'B', 'V', 1795, 9565, 'A', 1871]