In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[5173, 6195, 's', '1739', 'z', '6701', '4055', '10017', '9615', '8077', 'I', '2899', 'm', 'H', '8731', '4099', '333', '4715', 'K', '1037', 'k', 'L', 'M', 1893, 'X', 'e'], ['k', 8023, 'R', 'D', 7703, 'l', 7021, 195, 307, 'H', 365, 8069, 559, 8195, 'g', 's', '1739', 'z', '6701', '4055', '10017', '9615', '8077', 'I', '2899', 'm', 'H', '8731', '4099', '333', '4715', 'K', '1037', 'k', 'l', 'o', 4179, 'O', 'Z', 'g', 1391, 's', 10005, 2651, 'D', 9085, 'y', 'L', 'L']