In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['w', 3427, 4969, 9663, 'I', '2123', '213', 'H', 'p', '9213', '1409', '411', 'C', '4273', '7965', 'a', 'h', '4835', '8663', 'g', 'C', 'F', 139, 'N', 861, 9841, 7149], [2619, 'C', 'o', 8161, 1483, 7835, 6761, 'd', 8197, 'w', 'k', 'S', 'y', 2079, 'I', '2123', '213', 'H', 'p', '9213', '1409', '411', 'C', '4273', '7965', 'a', 'h', '4835', '8663', 'g', 'A', 3879, 'b', 6383, 'i', 'i', 5801, 4757, 3989, 'B', 2153, 1377, 'i', 'S']