In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[3749, 7723, 9651, 'E', 'f', 6391, 'C', 8875, 7029, '8475', '5935', '2927', 'Q', '3347', '857', '9487', 'P', '3007', '7667', 'K', '9055', 'H', 'M', 'R', 'H', '8455', 'm', 9187, 6385, 'c', 771, 2197, 'H', 'M', 'T', 2385, 'j', 'w', 4701, 'j', 'c', 'l'], [5145, 'o', 9933, 'i', 'l', 9091, 5521, 5973, '8475', '5935', '2927', 'Q', '3347', '857', '9487', 'P', '3007', '7667', 'K', '9055', 'H', 'M', 'R', 'H', '8455', 'N', 'P', 1495, 'l', 4209, 649, 'o', 'e', 'H', 'A']