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

[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

['d', 8577, 821, 4925, 851, 1015, '9071', 'l', '7883', 'b', '3341', '2315', 'E', 'T', 'm', '2545', 'y', 'Y', '2633', 'f', 'q', '3705', '2923', 'z', 'N', 'S', 'T', 'c', 'J', 'P', '9483', 'y', '8367', 'm', 'm', 'Y', 5707, 641, 'R', 's', 6601, 6037, 8129, 207, 'T', 3349, 549, 'd', 6875, 'i', 'M', 'U', 9157, 'W', 781, 'o', 4519, 'T', 'j'], ['i', 'm', 'y', 1645, 'O', 'g', '9071', 'l', '7883', 'b', '3341', '2315', 'E', 'T', 'm', '2545', 'y', 'Y', '2633', 'f', 'q', '3705', '2923', 'z', 'N', 'S', 'T', 'c', 'J', 'P', '9483', 'y', '8367', 'm', 'm', 'a', 4119, 1339, 'J']
9071, l, 7883, b, 3341, 2315, E, T, m, 2545, y, Y, 2633, f, q, 3705, 2923, z, N, S, T, c, J, P, 9483, y, 8367, m, m

[8667, 'P', 9321, 8327, 'Z', 2555, 'P', 'q', 1299, 'h', 'N', 'b', '6089', '8841', '5239', '8457', '9297', 'u', 'a', 3103, 'p', 1897, 8289, 'u', 'N', 9811], ['S', 'A', 'a', 'D', 'G', 'h', 'N', 'b', '6089', '8841', '5239', '8457', '9297', 'u', 'y', 8875, 't', 8985, 4225]

h, N, b, 6089, 8841, 5239, 8457, 9297, u