In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['c', 'C', 'O', 'R', 'X', 'x', 'y', '6921', 'u', 'V', '6129', 'c', 'Y', 'Q', 'b', 'd', 'C', '6851', '3279', 'O', '4071', '6825', '1113', 'D', 'd', 'h', 'u', '3589', '2441', 'R', 'Q', 'L', 'i', 'T', 1625, 5035, 'd', 's', 'N', 'c'], ['d', 3179, 10029, 7115, 2775, 7755, 'y', 803, 9587, 'E', 2491, 'N', 's', 679, 3957, 'n', 'l', 'J', 'I', 8163, 'o', 'd', 709, 5867, 'X', 'x', 'y', '6921', 'u', 'V', '6129', 'c', 'Y', 'Q', 'b', 'd', 'C', '6851', '3279', 'O', '4071', '6825', '1113', 'D', 'd', 'h', 'u', '3589', '2441', 'R', 'Q', 'L', 'i', 'o', 'S', 6533]