In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[7627, 2525, '6217', 'g', 'j', '8203', 't', '2919', '7655', 's', '4769', 'n', 'b', 7779, 2405, 'e', 'y', 'S', 7205, 'E'], ['j', 'U', 'b', 2757, 'X', 5365, 'v', 'p', 307, '6217', 'g', 'j', '8203', 't', '2919', '7655', 's', '4769', 'n', 'L', 3979, 659, 6971, 5737, 1189, 5917, 'D', 'i', 'F']