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

['R', 'Q', 'Q', 'e', 'C', 'U', 'T', '7509', '8471', 'S', 407, 793], ['G', 'D', 'C', 'U', 'T', '7509', '8471', 'l', 'r', 7861, 6959, 1617]
C, U, T, 7509, 8471

['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

[2343, 'r', '1443', '5553', 'o', '5509', 'l', '489', '7169', 'J', 'r', 'F', '6479', 'E', 2061, 5621, 2811, 'V', 'E', 9983, 1535], ['q', 'T', 2983, 1943, 'G', 705, 'P', 'F', '1443', '5553', 'o', '5509', 'l', '489', '7169', 'J', 'r', 'F', '6479', 'x', 9127, 7619]

1443, 5553, o, 5509, l, 489, 7169, J, r, F, 6479