In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[1599, 5229, 'o', 'a', 'U', 'T', 2539, 'F', 3459, 4587, 'p', 3589, '2625', 'D', 'L', 'u', 'J', '2053', 'h', 'd', 'U', 'x', '6557', '289', 't', '3537', 'b', 'p', 'X', '8747', 'B', 'Q', '2027', 'g', 'k', '2499', 'H', '1949', '3225', '1765', '2371', 'x', 'x', 'h', 'H', 'N', 'i', 'T', 'Y', 1463, 'O', 'd', 'u', 6067, 4917, 2823, 2701, 'i', 'Z', 'd', 'w', 'P', 'v', 543, 5803, 8251, 7747, 'K', 'C', 'i', 'D', 'b'], ['g', 'T', 'Q', 'V', 6379, 'M', 3153, 'd', 'u', 6505, 'L', 'z', 7063, 1795, 1745, '2625', 'D', 'L', 'u', 'J', '2053', 'h', 'd', 'U', 'x', '6557', '289', 't', '3537', 'b', 'p', 'X', '8747', 'B', 'Q', '2027', 'g', 'k', '2499', 'H', '1949', '3225', '1765', '2371', 'x', 8993, 2045, 'H', 5495, 'f', 9047, 2493, 6571, 'P', 'F', 'L', 9203, 7839, 'P', 'L', 8115, 'S', 'T', 8933, 'L', 'O']