In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[4413, 4493, 9925, 681, 'j', '439', 'h', '4953', 'F', 'l', '1301', '4435', '2517', 'J', 'c', 'S', 'Y', '3943', 'Z', '1651', '6189', '4021', '8247', '4637', '621', 'E', 'i', 'v', 'C', 'k', 599, 4589, 4149, 'v', 'Z', 'O', 5553, 'F', 'f', 'h', 9205, 6035, 7009, 'V', 5223, 'B', 'j', 'R'], [6141, 'e', 'K', 'y', 's', 'G', 'M', 'b', 'e', 'h', 8791, 'j', '439', 'h', '4953', 'F', 'l', '1301', '4435', '2517', 'J', 'c', 'S', 'Y', '3943', 'Z', '1651', '6189', '4021', '8247', '4637', '621', 'E', 'i', 'v', 'G', 'V', 8811, 'T', 'q', 'Q', 'Y', 'z', 'a', 1581, 'M', 9439, 2185, 675, 'u', 'E', 9441, 3267, 5787, 9695, 'x', 'd', 7329, 'p']