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

[4339, 'i', 7857, 315, 'W', '3573', '689', 'y', '9557', 'J', 'b', '2185', 'i', 7649, 'F', 'g', 6973], ['r', 5097, 5467, 't', 'N', 'Y', 'W', '3573', '689', 'y', '9557', 'J', 'b', '2185', 'l', 837, 643, 2055, 'J', 'I']
W, 3573, 689, y, 9557, J, b, 2185

[6135, 2759, 'f', 8389, 9699, 'T', '93', '9827', 'H', 'K', '5191', 'x', '7725', 'b', '8147', 'o', '7759', '8341', '8771', 'k', '4717', 't', 'w', 'E', 8375, 2917], ['V', 'C', 'g', 'Y', 3903, 6561, 'a', 'N', 1723, 8443, 'Y', 'Q', 'D', 'c', 'j', 5893, 5679, '93', '9827', 'H', 'K', '5191', 'x', '7725', 'b', '8147', 'o', '7759', '8341', '8771', 'k', '4717', 't', 'w', 'D', 8567, 3597, 'e', 2223, 8453, 4659, 9767, 9347, 'x', 5879, 'D', 'T']
93, 9827, H, K, 5191, x, 7725, b, 8147, o, 7759, 8341, 8771, k, 4717, t, w

['d', 'D', 3569, 1351, 9187, 4955, 'u', 1821, 5269, 'E', '1159', 'M', '29', 'E', 'I', 'B', 'B', '1515', 'W', 'm', '3517', '9013', 't', '9853', 'S', 'h', '4731', 'c', '4395', 'h', 4619, 'W', 9887, 'o', 6501, 4139, 'T', 'd'], [8509, 8635, 'E', '1159', 'M', '29', 'E', 'I', 'B', 'B', '1515', 'W', 'm', '3517', '9013', 't', '9853', 'S', 'h', '4731', 'c', '4395', 'C', 5251, 'r', 'n', 'W', 'I', 5227, 8325, 'v']

E, 1159, M, 29, E, I, B, B, 1515, W, m, 3517, 9013, t, 9853, S, h, 4731, c, 4395