In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[8755, 'U', 'V', 'p', 'Q', 'L', 'U', '4203', 'Q', 'Z', '6415', '3257', 'U', 'b', 'Y', '9483', 'v', 'L', '431', 'R', '2441', '2169', 'j', 'P', 'u'], ['B', 'm', 6915, 4681, 'H', 2039, 'q', 8079, 7837, 5859, 4593, 'B', 769, 2109, 5811, 1321, 'I', 'm', 'Q', 'L', 'U', '4203', 'Q', 'Z', '6415', '3257', 'U', 'b', 'Y', '9483', 'v', 'L', '431', 'R', '2441', '2169', 'd', 7851, 2523]