In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['t', 7085, 'a', 'E', 'v', '8219', '9385', 'c', 'l', '9599', 'Z', 'B', 'R', 'j', 5105], ['G', 6505, 'v', '8219', '9385', 'c', 'l', '9599', 'L', 5289, 's', 6449]