In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[1913, 3081, 8969, 5807, 5237, 8949, 'V', 'T', 9481, 1501, 5853, 6811, 423, 'R', 'W', 9241, 1523, '9689', 'x', '3657', 'E', 'P', '6001', '953', 'e', '2721', 'I', '555', '1881', 'J', '4439', '5057', '9115', '4327', '201', '7995', 'F', 'O', '8453', '6789', '9471', 'S', '8649', 'm', 'U', '5947', 'K', 4657, 7193, 'a', 2379, 'b', 5227, 'X', 2197, 1277, 9221, 'n', 297, 297, 4507, 'A'], [9483, 7489, 853, 589, 'Q', 'S', 5231, 'n', 'd', 'M', 2617, 'Z', 'y', 'l', 'z', '9689', 'x', '3657', 'E', 'P', '6001', '953', 'e', '2721', 'I', '555', '1881', 'J', '4439', '5057', '9115', '4327', '201', '7995', 'F', 'O', '8453', '6789', '9471', 'S', '8649', 'm', 'U', '5947', 'T', 7903, 'Z', 'J', 9289, 'Z', 9135, 's', 'j', 'n', 'n', 'K', 'W', 5987, 'F', 'f', 'X', 8437, 1381, 5799, 6481, 'Z', 1591, 'e', 9225, 'p']