In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[9509, 5427, 1767, 8127, 5097, 'l', 'g', 'W', 755, 5707, 'H', 5991, 'S', 's', '151', 'G', '8231', 'V', '5153', 'm', '7965', 'u', '8329', '771', '3813', 's', 'F', 'z', 'U', '1981', '693', 'z', 'L', 'v'], ['R', 1, 'z', 'X', 'W', 'X', 7059, 4351, 'Z', 7833, 'I', 6435, 's', '151', 'G', '8231', 'V', '5153', 'm', '7965', 'u', '8329', '771', '3813', 's', 'F', 'z', 'U', '1981', '693', 'z', 't', 8883, 't', 3735]