In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['Q', 'K', 'q', 5271, 7547, 6859, 'a', 8809, 'X', 'S', 8589, 7907, 553, 9621, 'l', 'L', 'l', 'F', '1669', '1', 'a', '3333', '583', 'z', 'z', 'S', 'm', '6287', '235', 'd', '915', '9395', 'j', 'l', '4541', 'F', 'D', '6985', '4905', '3169', '5663', '1887', 'g', 'W', 7233, 5529, 's', 1587, 711, 'H', 5139, 'Z', 6345, 4313, 2481, 3971, 'C', 1793, 7251, 7167, 5915, 1561, 8067, 5553, 'a', 2837], [907, 5445, 'D', 'T', 4151, 'I', 'z', 'h', 5915, 3061, 3559, 't', 8785, 527, 'F', 9401, 9407, 'w', 'F', '1669', '1', 'a', '3333', '583', 'z', 'z', 'S', 'm', '6287', '235', 'd', '915', '9395', 'j', 'l', '4541', 'F', 'D', '6985', '4905', '3169', '5663', '1887', 'g', 't', 's', 2265, 'n']