In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[7883, 'S', 2669, 'o', 'y', 'I', 't', '3929', '2053', '7977', 'R', '3667', '7915', '8365', 'j', 683, 'N', 3659, 6287, 465], ['V', 'o', 7651, 'q', 5401, '3929', '2053', '7977', 'R', '3667', '7915', '8365', 'O', 7935, 8573, 'o', 'e']