In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[5519, 'g', 'v', 5255, 'R', 'X', 3625, 'I', 4807, 'V', 8425, 4091, 'f', 8463, 6989, 'f', 4143, 1099, 'O', 'R', 389, 'j', 'Y', 5013, '1083', 'D', 'r', 'O', 'C', 'B', '9301', 'N', 'E', 'j', 'C', '6081', 'n', '6197', 'v', 't', 'J', 'D', 'z', '7051', '2987', '9537', 'p', '4735', '1973', 'h', '4123', '449', 'p', 6405, 'M', 's', 'R', 8231, 7975, 3647, 'y', 4081, 2373, 'L', 6397, 1209, 'P', 'z', 7387, 'u', 'a', 'q'], ['A', 8283, 'n', 4781, 9215, 7329, 3077, 'I', 8495, 'A', 2851, 7263, 769, 'Y', 's', 'u', 'L', 4523, 6805, 'v', 6295, 'f', '1083', 'D', 'r', 'O', 'C', 'B', '9301', 'N', 'E', 'j', 'C', '6081', 'n', '6197', 'v', 't', 'J', 'D', 'z', '7051', '2987', '9537', 'p', '4735', '1973', 'h', '4123', '449', 'q', 'y', 'l', 9603, 't', 'q', 'M', 6535, 'Y', 1245, 6863, 9043, 7699, 't', 8767, 'd', 'f']