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

[6017, 2811, '8157', '9625', 'P', 3629], [7857, 1357, '8157', '9625', 'z', 'z']
8157, 9625

['G', 9195, 'n', 'x', 'A', '3777', 'd', 'K', 'W', '1911', '93', '5157', 'j', 'd', 'L'], ['y', 'I', 8025, 5165, 4825, 'L', 'A', 10001, 'x', 'A', '3777', 'd', 'K', 'W', '1911', '93', '5157', 'E', 'b']
x, A, 3777, d, K, W, 1911, 93, 5157

['c', 5719, 'Y', 1805, 'v', '7059', 'I', '3893', 'd', 'u', 'P', 'g', 2187, 'V'], [4923, 'J', 'Y', 9851, 4027, 'b', 'v', '7059', 'I', '3893', 'd', 'u', 'P', 'O', 'w', 9747, 'l', 4697, 8185]

v, 7059, I, 3893, d, u, P