In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['j', 'G', 2601, 9501, 'x', 'H', 6207, 'Z', 'D', 'x', '471', '6271', 'Y', 'd', '459', 'r', '8023', 'E', 'a', '1835', 'q', '9505', 'T', 'd', 'v', '6637', 'V', '2609', '1311', '5955', '4405', '7225', 'S', '6045', '6335', 'L', 'h', 'v', 'G', 9745, 545, 'A', 'q', 2197, 'A', 8293, 4051, 'X', 9917, 7709, 'C', 'a', 613, 2043, 't', 'M'], ['j', 943, 1785, 'Z', 461, 'e', 'V', 'x', '471', '6271', 'Y', 'd', '459', 'r', '8023', 'E', 'a', '1835', 'q', '9505', 'T', 'd', 'v', '6637', 'V', '2609', '1311', '5955', '4405', '7225', 'S', '6045', '6335', 'L', 'h', 'M', 'z', 'Y', 'L', 8795, 8881, 'K', 'E', 'm']