In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[7709, 8919, 'z', 'j', 5085, 'a', 'C', 'K', 6319, 'O', 'x', 7773, 'O', 'A', 1617, 'h', 't', 'j', '4549', '9469', 'p', '9459', '2521', '8659', '1159', 'L', '2487', 'j', '7561', '845', '9547', 'T', 'W', '7459', '9063', 'H', 'K', '5383', '93', 'L', 'i', 'R', 2251, 'F', 'Y', 'K', 'D', 7141, 'S', 7361, 'r', 6973, 2835, 9595, 4875, 3447, 's', 2333, 7819, 'E', 'K', 6377], ['L', 5945, 5215, 7063, 7283, 217, 2355, 'K', 1643, 'Q', 'S', 8849, 't', 2675, 5139, 2513, 'M', 1041, 2507, 1031, 'X', 't', 'j', '4549', '9469', 'p', '9459', '2521', '8659', '1159', 'L', '2487', 'j', '7561', '845', '9547', 'T', 'W', '7459', '9063', 'H', 'K', '5383', '93', 'L', 'M', 'Y', 1193, 5693, 'H', 7103, 'q', 3755, 6265]