In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['V', 1349, 'C', 'Q', 4943, 9191, 'm', 5751, 'K', '9209', 'L', '2953', '947', 'i', '8531', '2843', 'R', 'Y', '3017', 'a', '3867', 'o', '199', 'b', '1563', 's', 7779, 'w', 'm', 'W', 6627, 7211, 1535, 'c', 'f', 8065, 1377], [8909, 2993, 'Y', 'J', 'y', '9209', 'L', '2953', '947', 'i', '8531', '2843', 'R', 'Y', '3017', 'a', '3867', 'o', '199', 'b', '1563', 'q', 'g', 'd', 'C', 'S', 'R', 'H', 'u', 'C', 'T', 'i', 8897, 2375, 3689, 'Y']