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

[4961, 'H', 9957, 'w', 'K', 'Y', 3375, 'S', '3191', '4439', 'C', '1965', '2787', '4507', 'y', 2753, 2989, 6093, 7091, 8043, 'c'], [9279, 'S', 6127, 5845, 237, 'S', '3191', '4439', 'C', '1965', '2787', '4507', 'w', 9497, 'K', 2297]
S, 3191, 4439, C, 1965, 2787, 4507

[5701, 'Y', 2511, 4707, 'i', 9083, 1187, '749', 'v', 'i', 'f', 'j', '5983', '4221', 'p', 'q', '8703', 'n', 'Z', 'O', 'A', 'H', 'X', 8863, 7467, 665, 3485, 4035, 'g', 8795], [189, 8331, 'N', 'S', 'U', '749', 'v', 'i', 'f', 'j', '5983', '4221', 'p', 'q', '8703', 'n', 'Z', 'O', 'A', 'H', 'R', 't', 9581, 5575, 'Q', 'Q', 1209]
749, v, i, f, j, 5983, 4221, p, q, 8703, n, Z, O, A, H

[1465, 4581, 'd', 'y', 6291, '2611', 'f', '8269', 'u', 'M', '3915', '4447', 'Z', 'k', '603', '923', 'F', 'O', 'G', 'y', 'L', 'y', 'r', 'u', 'm', 1817, 'P', 'l', 'r', 't', 'T', 'C', 'X', 297, 429, 5985, 8085, 1747], [6663, 7171, 'h', 'x', 3797, 4525, 'v', '2611', 'f', '8269', 'u', 'M', '3915', '4447', 'Z', 'k', '603', '923', 'F', 'O', 'G', 'y', 'L', 'y', 'U', 'O', 8607]

2611, f, 8269, u, M, 3915, 4447, Z, k, 603, 923, F, O, G, y, L, y