In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['R', 'c', 'z', 'V', 'c', 'Z', 'l', 'S', '6229', 'P', 'N', '895', '3043', 'C', '7039', '2063', '6351', '9485', 'G', '573', '997', 'b', 's', 'O', '7643', 'a', '7005', '3899', 'h', 'Y', 'd', 1049, 'C', 'O', 'y', 2481, 'A', 7343, 'q', 337, 'R', 6681, 'm', 'F', 'y', 2583, 3261, 8315, 'K', 453, 4481, 'F'], ['u', 'R', 643, 'O', 6973, 'L', 401, 'S', 4117, 7313, 8149, 'z', 'V', 'c', 'Z', 'l', 'S', '6229', 'P', 'N', '895', '3043', 'C', '7039', '2063', '6351', '9485', 'G', '573', '997', 'b', 's', 'O', '7643', 'a', '7005', '3899', 'g', 'D', 'N', 675]