In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[6511, 4341, 'o', 'w', 7301, 4569, 'd', 5601, 'P', '2001', '1909', '8021', 'P', 'F', '279', 'V', 'L', 'L', '8755', 'y', '8605', 'v', '1317', 'M', '9009', 'T', '5463', '2839', 'b', 'S', 'o', 'S', 7177], [8325, 175, 'A', 'P', 735, 'G', 'P', '2001', '1909', '8021', 'P', 'F', '279', 'V', 'L', 'L', '8755', 'y', '8605', 'v', '1317', 'M', '9009', 'T', '5463', '2839', 'b', 'S', 'o', 'M', 2749, 'F', 'W', 'e', 'b', 'U']