In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[4779, 'v', 8093, 1429, 3779, 'R', 1615, 'R', 'E', 8083, 5165, 'P', 979, 2315, 'r', 'h', 't', '5997', 'f', 'd', 'y', 'd', '2017', 'C', 'j', 'R', 'O', '1227', 'D', 'F', '6243', 'y', 'w', '6501', 'z', 'N', 'w', 'h', 4701, 5929, 7935, 3617, 6793, 'q', 4205, 1837, 'u', 2101], ['l', 3497, 1255, 957, 5685, 'i', 'B', 'r', 'h', 't', '5997', 'f', 'd', 'y', 'd', '2017', 'C', 'j', 'R', 'O', '1227', 'D', 'F', '6243', 'y', 'w', '6501', 'z', 'N', 'w', 'o', 6879, 'V', 2553, 6713, 1509, 3513, 7215, 's', 17]