In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['b', 'L', 4403, '2375', 'F', '8781', '5605', 'G', 'A', 225, 9763], [1285, 2709, '2375', 'F', '8781', '5605', 'K', 9609, 1045, 87]