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

[3409, 'W', 7371, 705, 4353, 6055, 1109, '2039', '1331', 'M', '1507', '1583', '9005', '3561', 'm', '3453', '9927', 'L', '5625', '3923', '5839', 'b', 'a', '1865', 'l', 'Z', '4855', '2985', 'l', '7011', 'Z', 'f', '6205', 'd', 'r', 5975, 7455, 'P', 7563, 'A', 797, 'm', 'y', 'S'], [851, 'D', 'Z', 't', 'd', 189, 'V', 'o', 8559, 3455, '2039', '1331', 'M', '1507', '1583', '9005', '3561', 'm', '3453', '9927', 'L', '5625', '3923', '5839', 'b', 'a', '1865', 'l', 'Z', '4855', '2985', 'l', '7011', 'Z', 'f', '6205', 'x', 'q', 7907, 857, 2245, 5847, 'h']
2039, 1331, M, 1507, 1583, 9005, 3561, m, 3453, 9927, L, 5625, 3923, 5839, b, a, 1865, l, Z, 4855, 2985, l, 7011, Z, f, 6205

['k', 521, 'b', 'j', 8637, 2323, 'S', 2743, 'I', 5351, 'B', 1525, 6545, 5197, 'Y', 'S', 'F', '8581', 'C', '2183', 'Q', 'N', '1435', 'E', '8709', '7613', 'C', '7381', '7499', '9041', '1479', 'I', 's', '7101', '6233', '9063', '9969', '5315', 'e', '2495', 'x', 8587, 1937, 1217, 'w', 'o', 'J', 'H', 'N'], [4927, 7101, 1961, 1277, 6009, 'x', 6541, 'h', 'S', 'F', '8581', 'C', '2183', 'Q', 'N', '1435', 'E', '8709', '7613', 'C', '7381', '7499', '9041', '1479', 'I', 's', '7101', '6233', '9063', '9969', '5315', 'e', '2495', 'f', 't', 'l', 3599, 'z', 'S', 7683, 'I', 101, 'D', 'E', 4087, 3221, 'n', 'R', 1809, 7069, 7145, 5573, 8597, 2473]
S, F, 8581, C, 2183, Q, N, 1435, E, 8709, 7613, C, 7381, 7499, 9041, 1479, I, s, 7101, 6233, 9063, 9969, 5315, e, 2495

[6463, 'B', 'n', '4053', 'h', '7093', 'E', '4853', 'U', '891', '2391', 'o', 'u', 'X', 'c', 7371, 'e'], [2029, 8945, 'F', 2299, 7397, 1829, 'n', '4053', 'h', '7093', 'E', '4853', 'U', '891', '2391', 'o', 'u', 'X', 'l', 'l']

n, 4053, h, 7093, E, 4853, U, 891, 2391, o, u, X