In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['Q', 411, 'Y', 'b', 'N', 'e', 'B', 4095, 'b', 2345, 1779, 1257, 1029, 'V', 'D', 'l', 'P', 'e', 'O', '7161', '8983', '7361', 'J', 'd', 'q', 'n', '3575', '5259', 'f', '2767', 'C', 'H', 'F', '411', 'g', 'M', '5649', 'j', '1159', 'N', 'U', '3481', 'R', 'T', 9673, 'i', 1073, 'j', 'h', 5823, 1467, 'v'], [9643, 7951, 'K', 6509, '7161', '8983', '7361', 'J', 'd', 'q', 'n', '3575', '5259', 'f', '2767', 'C', 'H', 'F', '411', 'g', 'M', '5649', 'j', '1159', 'N', 'U', '3481', 'R', 'x', 3041, 'W', 'o', 'H', 'j', 6391]