In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['l', 2829, 7757, 'I', 2807, 'd', 1837, 'T', 279, 'Q', 9221, 4731, 3081, 2631, 'J', '4391', '7767', 'j', 'o', '215', '7983', 'X', 'd', '1795', '2743', 'K', 'f', 'q', 'C', 'c', '7241', '9401', 'm', 'L', 'u', '9999', '2693', '7717', '6005', '4337', '3311', 'J', '3725', 'J', 'k', 'b', 6517, 'u', 7673, 1815, 'f', 6017, 7379, 5501, 3983, 8549, 4437, 1675, 'U', 'q', 9503, 'h', 'n', 'K', 2827, 6517, 'V', 'i', 4939, 929, 'p', 'm', 9535, 'n', 'V'], [2927, 'I', 'v', 'L', 'V', '4391', '7767', 'j', 'o', '215', '7983', 'X', 'd', '1795', '2743', 'K', 'f', 'q', 'C', 'c', '7241', '9401', 'm', 'L', 'u', '9999', '2693', '7717', '6005', '4337', '3311', 'J', '3725', 'J', 'k', 'a', 7785]