In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.

[1249, 4091, 'E', 483, 'O', 8427, '5009', 'X', 'Q', '107', 'F', '6119', '4479', 'u', 'o', 'U', '4405', '1737', 'K', 'j', 'B', 'U', 2857, 's'], ['J', 'B', 8825, 9581, '5009', 'X', 'Q', '107', 'F', '6119', '4479', 'u', 'o', 'U', '4405', '1737', 'K', 'j', 'B', 'E', 'e', 'R', 'X', 1739, 'D', 1385, 'e', 6969]
5009, X, Q, 107, F, 6119, 4479, u, o, U, 4405, 1737, K, j, B

[4817, 'A', '3155', 'W', 'm', 4061], [7701, 'P', '3155', 'W', 't', 'J']
3155, W

[3807, 'Q', 'S', 3677, 'v', 3147, 'L', 'K', 715, '10005', '7209', 'r', '9205', '6193', 'f', '1005', '5085', '5543', 'S', 'L', 2973, 8809], ['x', 'v', 'b', 7635, 217, 'g', 3927, 3151, 't', 2375, '10005', '7209', 'r', '9205', '6193', 'f', '1005', '5085', '5543', 'S', 'r', 'P']

10005, 7209, r, 9205, 6193, f, 1005, 5085, 5543, S