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

[4665, 'U', 1617, 4891, 3015, 'k', '9381', '4077', 'f', 'T', 'G', 'z', '9879', 'q', 'f', 'g', 'G', '8765', 'D', '1755', 'B', 'H', 'y', 6819, 9689, 4667, 6651, 'Z', 4359, 3239, 'k'], [4575, 7833, 7267, 't', 'C', 'k', '9381', '4077', 'f', 'T', 'G', 'z', '9879', 'q', 'f', 'g', 'G', '8765', 'D', '1755', 'v', 4883, 'l', 3055]
k, 9381, 4077, f, T, G, z, 9879, q, f, g, G, 8765, D, 1755

['h', 'l', 2659, 5135, 4075, 'B', 'Z', 7075, '8385', 'I', '5937', 'N', 'H', '7143', '9643', '7171', 'z', 'c', 'A', '2163', 'm', 5383, 'S', 8583, 3589, 'S'], [5819, 317, 1243, 6949, 3195, 'A', 'p', 'F', 'Z', 4825, 'U', '8385', 'I', '5937', 'N', 'H', '7143', '9643', '7171', 'z', 'c', 'A', '2163', 'Y', 'r', 7985, 'T', 'F', 3637, 'D', 2203, 6855, 'W', 'Z', 4121]
8385, I, 5937, N, H, 7143, 9643, 7171, z, c, A, 2163

['O', 6439, 'O', 'a', '5223', 'Z', 'D', 'c', '5241', 'Y', '9033', 'k', 2121], [5697, 'a', 9669, 'a', '5223', 'Z', 'D', 'c', '5241', 'Y', '9033', 'X', 't']

a, 5223, Z, D, c, 5241, Y, 9033