In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[6211, 'A', 'G', 4443, 4419, 'o', 51, '7437', '3219', 'o', 'I', 'N', 'n', 'b', 'm', '8691', 'd', 'm', 1283, 4827, 9727, 2419, 4179, 7475, 'c'], [6299, 3897, 'A', 909, 2343, 3419, 'S', '7437', '3219', 'o', 'I', 'N', 'n', 'b', 'm', '8691', 'o', 'Q', 6199, 'b', 'B', 7171, 1751, 'P']