In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[2165, 'A', 'L', '6045', '1245', 'Y', 't', 'M', 'y', '1889', 'H', 'C', '8175', 'c', 4715, 'w', 3191, 'Q', 2951, 3303], [1387, 2063, 'm', 'k', '6045', '1245', 'Y', 't', 'M', 'y', '1889', 'H', 'C', '8175', 'o', 9521, 1539, 'e', 6687, 6805]