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

['u', 4637, 'h', 2259, 'M', 'i', 'h', 'X', 7083, 'o', 't', 9421, 't', 785, 'Y', 'Y', '5531', 'P', 'x', 'b', '4899', 'Y', '8909', '7749', 'k', '4049', '1237', 'M', '8579', 'N', '3167', '9123', '6973', '4981', 'I', '7231', '9783', '9823', 'c', 'e', '7169', '4003', 'C', 8237, 9899, 'M', 3217, 4903, 'I', 5279, 'T', 6849, 3373, 'x', 'S', 'l', 8665, 'V', 'v', 'I', 'A', 'E', 4367, 9513, 'i', 2897, 3433, 8091, 5011], [5327, 4587, 'E', 'w', 4287, 'W', 3339, 2729, 'q', 'Y', '5531', 'P', 'x', 'b', '4899', 'Y', '8909', '7749', 'k', '4049', '1237', 'M', '8579', 'N', '3167', '9123', '6973', '4981', 'I', '7231', '9783', '9823', 'c', 'e', '7169', '4003', 'p', 7351, 4915, 4485, 7747]
Y, 5531, P, x, b, 4899, Y, 8909, 7749, k, 4049, 1237, M, 8579, N, 3167, 9123, 6973, 4981, I, 7231, 9783, 9823, c, e, 7169, 4003

[5367, 7499, 'a', '3619', '5119', '4219', '769', '8735', '6417', 'V', 'W', 'o', 'M', 'T', 'q', 'J', 't', 3991], [3847, 'h', 8145, 'z', 'C', 6061, 5347, 'U', 'a', '3619', '5119', '4219', '769', '8735', '6417', 'V', 'W', 'w', 5279, 4553]
a, 3619, 5119, 4219, 769, 8735, 6417, V, W

['w', 'A', 3063, 'a', 'L', '6971', 'p', '1807', '7273', '4207', '6359', '2585', '2263', 'y', '2017', '2825', '2657', 'F', '1867', 'X', 'x', 'x', 'b', 'Y', 'M', 'e', '781', 'Y', '2597', '2051', 'M', 3739, 'c', 'E', 5121, 2609, 981, 5847, 2819, 2541, 3705, 6237, 'k', 'V'], [1321, 6337, 9543, 10029, 'F', 'U', 9785, 83, 3387, 1497, 'u', 2111, 'g', 'J', 3867, 'W', 2273, 'a', 'L', '6971', 'p', '1807', '7273', '4207', '6359', '2585', '2263', 'y', '2017', '2825', '2657', 'F', '1867', 'X', 'x', 'x', 'b', 'Y', 'M', 'e', '781', 'Y', '2597', '2051', 'b', 7393, 625, 'J', 'C', 2399, 5553, 'I', 9651, 4775, 'c', 2807, 5125, 'A', 'j', 7743, 7547, 'W', 9911]

a, L, 6971, p, 1807, 7273, 4207, 6359, 2585, 2263, y, 2017, 2825, 2657, F, 1867, X, x, x, b, Y, M, e, 781, Y, 2597, 2051