In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['R', 'M', 'K', 'I', 'q', '5395', '3393', '3033', 'T', 'S', 'D', 'g', '75', 'K', '3041', 'Z', 7543], ['I', 'T', 'y', 7447, 'y', 7489, 'K', 'I', 'q', '5395', '3393', '3033', 'T', 'S', 'D', 'g', '75', 'K', '3041', 'X', 'w', 2529, 8629, 'w', 569, 8091, 's']