In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['o', 5311, 'w', 'u', 'C', 'v', '4859', '4319', 'J', 'S', '1507', 'V', '2853', 'I', 'h', 'k', 'D', 'k', 'D', 'P', 'W', 'P', '721', 'v', 'u', '2003', 'e', 'E', 5111, 'e', 8791, 'C', 8359, 5567], ['u', 8767, 4495, 'H', 'J', 'L', 'J', 'a', 6089, 8447, 9729, 6335, 5291, 't', 'C', 'v', '4859', '4319', 'J', 'S', '1507', 'V', '2853', 'I', 'h', 'k', 'D', 'k', 'D', 'P', 'W', 'P', '721', 'v', 'u', '2003', 'e', 'y', 'X', 5883, 'U', 8351, 3795]