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

[9605, 301, 3815, '3555', '8399', '2421', '6579', 'I', 'g', 's', 'a', 'T', 'w', 7419, 1721, 3853, 5703], ['J', 1425, 3627, 3619, '3555', '8399', '2421', '6579', 'I', 'g', 's', 'Y', 'R', 4039, 'y']
3555, 8399, 2421, 6579, I, g, s

[8521, 7389, 'Z', 959, 4009, 4683, 'y', '4295', '5675', 'a', '5585', 'q', '5785', '9081', 'U', 's', 'i', 'D', 2717, 'P', 3531, 8889], ['Y', 4689, 'H', 'h', 3485, 1659, '4295', '5675', 'a', '5585', 'q', '5785', '9081', 'U', 's', 'm', 'k', 3777, 'l', 4497, 5837, 7061]
4295, 5675, a, 5585, q, 5785, 9081, U, s

[5589, 'W', 8307, 'K', 4025, 263, 'q', 'f', 4541, 'h', 9651, 2471, 'L', 'E', 5589, 9665, 1929, 'D', 'N', 'R', '2247', '885', 'Z', '1137', '1935', 'e', 'M', '4281', '5741', '4649', 'F', '8863', '4911', '7111', 'N', '129', 'L', '1835', 'X', '9707', 'g', 'P', 'y', 2943, 'C', 7947, 5991, 7319, 9777, 'F'], ['U', 'o', 'o', 1809, 6005, 'B', 7861, 353, 'T', 'N', 'x', 't', 9269, 6969, 'S', 'R', '2247', '885', 'Z', '1137', '1935', 'e', 'M', '4281', '5741', '4649', 'F', '8863', '4911', '7111', 'N', '129', 'L', '1835', 'X', '9707', 'i', 489, 2415, 6237, 1165, 'h', 8035, 'i', 'T', 'u', 6765, 'G', 'u', 'j']

R, 2247, 885, Z, 1137, 1935, e, M, 4281, 5741, 4649, F, 8863, 4911, 7111, N, 129, L, 1835, X, 9707