In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[5015, 7657, 8539, 'm', 'U', 9895, 7857, 6305, 'O', 2339, 'o', 'j', 'h', 'G', 'e', 'V', 5197, 2363, 'C', 'C', 'b', 'P', '8093', 'U', '2015', 'H', '3851', '6683', '4799', '6147', 'C', '8283', '4543', '8345', '2693', '1085', 'k', 'F', 'w', '5509', '6717', 'h', 'x', 'S', '8993', 'C', 3745, 8613, 8295, 'S', 1741, 'c', 'y', 1959, 5089, 9101, 'Q', 2555, 9455, 'l', 5341, 7061, 'W', 7707, 'g', 5991, 'l'], [933, 'J', 't', 'c', 4073, 'u', 1695, 3289, 3845, 'd', 5051, 'z', 8051, 8325, 'T', 2815, 'w', 'C', 'b', 'P', '8093', 'U', '2015', 'H', '3851', '6683', '4799', '6147', 'C', '8283', '4543', '8345', '2693', '1085', 'k', 'F', 'w', '5509', '6717', 'h', 'x', 'S', '8993', 'h', 'n', 3319, 'j', 'O', 'Q', 7421]