In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[7363, 5107, 5235, 'T', 5923, 'Y', 9873, 'E', 'O', '6353', '8965', 'd', '1577', 'c', '4789', 'c', '2993', '2869', 's', '8421', 'R', 'T', 6655, 7199], [9819, 'v', 'E', 'O', '6353', '8965', 'd', '1577', 'c', '4789', 'c', '2993', '2869', 's', '8421', 'R', 'b', 9101, 6377, 4023, 5297, 'M', 3457, 21, 4333, 9463, 'S', 'U', 7023, 'J']