In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[6037, 3177, 7803, 2755, 'D', 'o', 6725, 4227, 4281, '511', 'T', '6897', '4163', '6755', 'Y', '5375', '1797', 's', 'a', '4821', '4081', '4621', 'r', '8591', '9759', '5737', 'i', 'y', '4375', '7897', 'H', '2207', 'v', '8443', 'p', 't', '3155', 'e', 8121, 2545, 1035, 'H', 1285, 4947, 'y', 1601, 3641, 'Q', 'S', 7495, 'p', 5929, 'H', 'L', 'U', 855, 'j', 'z'], ['y', 5017, 547, 6697, 9775, 'S', 'b', 7011, 4715, '511', 'T', '6897', '4163', '6755', 'Y', '5375', '1797', 's', 'a', '4821', '4081', '4621', 'r', '8591', '9759', '5737', 'i', 'y', '4375', '7897', 'H', '2207', 'v', '8443', 'p', 't', '3155', 'W', 4313, 'W', 6751, 'i', 'r', 'E', 1171, 7101, 'D', 'Q', 1361, 'U', 5153, 733, 'z', 'P', 6087, 233, 7139, 2255]