In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[6759, 1053, 1155, 'O', '6949', 'v', 'D', '5869', 'h', 'Y', 'K', 'W', 'G', 6467, 'y', 'a', 9489, 5531, 'K'], ['o', 9631, '6949', 'v', 'D', '5869', 'h', 'Y', 'K', 'W', 'T', 'j', 9325, 3237]