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

['T', 'A', 8089, 8887, 571, 't', 4081, 8089, 'h', 'C', 'U', 'E', 'R', 6409, 'd', '6573', 'F', 'T', 'V', 'K', '2663', '7675', 'Y', '1733', 'R', 'E', '8271', '5667', 'C', 's', 'i', 'k', '379', 'I', '6349', 'd', 'x', 'i', 'L', 3105, 'k', 'G', 5445, 283, 3441, 1111, 'Q', 9993, 'S', 'A'], ['k', 9961, 'v', 'W', 'k', 3429, 751, 417, 'd', '6573', 'F', 'T', 'V', 'K', '2663', '7675', 'Y', '1733', 'R', 'E', '8271', '5667', 'C', 's', 'i', 'k', '379', 'I', '6349', 'd', 'x', 'm', 'W', 605, 1293, 'e', 9617, 9907, 5487, 'i']
d, 6573, F, T, V, K, 2663, 7675, Y, 1733, R, E, 8271, 5667, C, s, i, k, 379, I, 6349, d, x