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

[431, 4017, 'R', 'a', 'F', '9581', 'Y', 'f', 'z', 'b', 1235], [4115, 'u', 'g', 'f', 2455, 'a', 'F', '9581', 'Y', 'f', 'z', 'm', 7245, 'I', 7021]
a, F, 9581, Y, f, z

['i', 4077, 'Z', 6231, 2337, 'h', '1181', '1631', '2605', '587', '1477', '2707', 'R', 'O', 'd', 1355, 'n'], [505, 'A', 8789, 75, 'q', 'h', '1181', '1631', '2605', '587', '1477', '2707', 'R', 'O', 'e', 'r', 'I', 'm', 1525, 3577]
h, 1181, 1631, 2605, 587, 1477, 2707, R, O

[9943, 'A', 9029, 'e', 'w', 1555, 'w', '2223', 'F', '4157', 'v', '4601', 'b', 'Z', '5093', 'e', '649', 'A', '6147', 'o', '9641', 'q', 't', 'S', 'a', '8653', 'o', 'v', '5373', 'E', '4647', '7841', 'K', '6195', 'K', 6477, 'x', 'b', 'A', 'v', 'A', 'E', 2541, 'j', 9623], [2261, 8855, 8281, 8925, 1343, 'Z', 4845, 'l', 893, 7513, 2041, 'f', 2177, 6805, 6411, '2223', 'F', '4157', 'v', '4601', 'b', 'Z', '5093', 'e', '649', 'A', '6147', 'o', '9641', 'q', 't', 'S', 'a', '8653', 'o', 'v', '5373', 'E', '4647', '7841', 'K', '6195', 'H', 'f', 'C', 'G', 'm', 8083, 2669, 1103, 'a', 'G', 'Z', 5417, 6523, 2653, 2881, 2189, 5229, 'g', 'c', 6269, 'F', 4201, 6309, 'V', 9387, 1301, 1825]

2223, F, 4157, v, 4601, b, Z, 5093, e, 649, A, 6147, o, 9641, q, t, S, a, 8653, o, v, 5373, E, 4647, 7841, K, 6195