In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[5355, 8359, 4313, 3501, '4077', '4257', 'V', '2759', 'm', 'V', '2795', 'V', 'L', '9475', 'I', 'z', 'a', 7451, 3715], [2237, 9601, 4295, 'S', '4077', '4257', 'V', '2759', 'm', 'V', '2795', 'V', 'L', '9475', 'Q', 6747, 'b', 5079, 641, 'f', 2809, 3705]