In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[4601, 2349, 'b', 'b', 'o', 'd', 'D', 'M', 'P', '3119', 's', '9507', 'u', 7239, 'o', 5437, 5729, 3109], [2629, 9653, 7873, 'T', 6873, 2939, 'o', 'd', 'D', 'M', 'P', '3119', 's', '9507', 'w', 'G']