In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[9301, 7187, 'Q', 'v', 2425, '555', 'Y', '4831', '447', 'T', '6229', '8681', '297', 'p', '4637', 'p', 'F', '1893', 'z', 'v', 4607, 'q', 4709, 9047, 'i'], [6937, 'X', 'u', 'r', 'X', 5945, 6189, 1933, 8501, 2193, 'u', 'q', '555', 'Y', '4831', '447', 'T', '6229', '8681', '297', 'p', '4637', 'p', 'F', '1893', 'y', 1973, 3011, 'L', 5329, 'w', 's', 'M', 923, 'y', 'n', 'i', 5685]