In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[4775, 8921, 'j', 'R', 4929, 'G', 7819, 'e', 3245, 5771, 8363, 'Q', 'y', 7801, 'N', '7401', '1473', '8497', 'E', '1119', '2687', '6853', 'G', 'f', '2341', '7947', 'O', '2283', '4387', 'E', '7913', 'l', 'v', '8929', 'b', 'R', 's', '6367', '3181', '5645', 'U', '3271', 'V', 5099, 'I', 8675, 4831, 'u', 7819, 't', 7441, 'Y', 3441, 'p', 6689, 3535, 'D', 2843, 6943, 7129, 'K', 911, 'B', 'G'], [6037, 'q', '7401', '1473', '8497', 'E', '1119', '2687', '6853', 'G', 'f', '2341', '7947', 'O', '2283', '4387', 'E', '7913', 'l', 'v', '8929', 'b', 'R', 's', '6367', '3181', '5645', 'U', '3271', 'U', 7485, 4837]