In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[4585, 7949, 7721, 'm', 1481, 7755, 7803, 2127, 'H', 'l', 'H', 9089, 845, 9641, 7779, 'U', 717, 'f', 'Y', 'b', 3325, 6591, 8305, 6967, 'Y', 2755, 'm', 'D', 'R', '273', '4319', '7799', 'J', '4963', '7947', '6697', '7499', 'F', '4555', '8059', '8263', '8043', '3359', 'T', 'F', '2159', 'W', 'Z', 'H', 'D', '855', 'e', '421', 'u', '5395', 'c', 'I', 'Q', 9077, 6879, 5077, 's', 'a', 'B', 3463, 'X', 127, 9165, 'A', 505, 7169, 'k', 9039, 7593, 'c', 1595, 9423, 'R', 9197, 5935, 't', 'r', 305], [697, 'K', 1935, 'z', 2167, 9079, 'F', 7865, 4927, 'b', 6505, 'm', 'D', 'R', '273', '4319', '7799', 'J', '4963', '7947', '6697', '7499', 'F', '4555', '8059', '8263', '8043', '3359', 'T', 'F', '2159', 'W', 'Z', 'H', 'D', '855', 'e', '421', 'u', '5395', 'c', 'V', 4637, 7127, 1413, 9565]