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

[641, 'S', 'X', 'z', 4889, 5577, 'f', 'K', 4151, 'I', 3883, 511, 'y', 7333, '125', '933', 'A', '4571', 'V', '9597', 'T', 'S', '5519', 'g', 'z', 'm', 'O', 't', 'T', '7241', 'n', 'x', '6943', 'q', 7115, 8237, 'G', 'F', 'j', 2437, 7631, 9983, 'Z'], ['j', 7931, 'e', 1833, 'O', 'T', 'L', 2669, 'V', 'e', 'r', 8177, 'A', 'k', 'K', 'l', 5879, '125', '933', 'A', '4571', 'V', '9597', 'T', 'S', '5519', 'g', 'z', 'm', 'O', 't', 'T', '7241', 'n', 'x', '6943', 'c', 'i', 'k', 9469, 4459, 'N', 'q']
125, 933, A, 4571, V, 9597, T, S, 5519, g, z, m, O, t, T, 7241, n, x, 6943

['g', 305, '8447', 'K', 'y', 'D'], [2445, 5519, '8447', 'K', 't', 'l']
8447, K

[9381, 'E', 'u', 6867, '5471', 'D', 'V', '1453', 'i', '5213', '1455', 'l', 'Y', '3321', 'b', 'R', '5311', 'V', 'Q', '3849', 'S', 'F', 'E', 'T', 9497, 6779, 7079, 3199, 2365, 9517, 'Z', 1727, 'j'], ['W', 1975, 'D', 'X', 2663, 'C', 5153, 'v', '5471', 'D', 'V', '1453', 'i', '5213', '1455', 'l', 'Y', '3321', 'b', 'R', '5311', 'V', 'Q', '3849', 'h', 1797, 'R', 1189, 'R', 7915, 9029, 's', 7573, 'u', 'V', 't']

5471, D, V, 1453, i, 5213, 1455, l, Y, 3321, b, R, 5311, V, Q, 3849