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

['z', 'L', 'e', 3279, 's', 'U', 'p', '2885', 'w', 'x', 7713], [3907, 'e', 's', 'U', 'p', '2885', 'w', 'F', 'x', 'v', 5319]
s, U, p, 2885, w

[1057, 8997, 6853, 1935, 't', '3929', '9627', '4599', 'c', 'W', 'S', '7893', '2409', '6647', 'q', '3657', '3959', '7725', 'v', 'Q', 'L'], [2553, 'S', 'E', '3929', '9627', '4599', 'c', 'W', 'S', '7893', '2409', '6647', 'q', '3657', '3959', '7725', 'Q', 'S', 4853, 1079, 7087, 'W', 'k']
3929, 9627, 4599, c, W, S, 7893, 2409, 6647, q, 3657, 3959, 7725

[4649, 1863, 'w', 'Q', '8901', '7393', 'L', 's', 'g', 7521], ['j', 'b', 'E', 6575, 'Q', '8901', '7393', 'L', 'b', 'E', 9691, 'Y']

Q, 8901, 7393, L