In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[6403, 3483, 'Z', 'l', '1385', '5787', '7377', '9385', '1545', '1079', 'C', 'K', 'f', 'O', 'W', '3253', 'Y', '2727', '3679', 'C', '4251', '3803', 'y', 'p', 'H', 'U', 9679, 'k', 'K', 3073, 3011, 'u', 'p', 'N', 2433, 9787, 3981, 363], ['n', 'n', 2201, 4585, 'Z', 'q', 921, 'S', 5417, 'l', '1385', '5787', '7377', '9385', '1545', '1079', 'C', 'K', 'f', 'O', 'W', '3253', 'Y', '2727', '3679', 'C', '4251', '3803', 'y', 'p', 'H', 'u', 'P', 4041, 6681, 'n', 'M', 8035]