In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[8811, 9797, 7747, 2671, 'e', 5653, 6585, 'h', 7793, 'y', 5815, 9609, 7753, 105, 'T', 'x', 'l', '7063', '5831', '6663', '189', '6075', 'P', '8747', 'v', 'S', 'b', '9911', '3427', '4601', '7575', 'I', '313', '4333', 'S', 'x', 'K', 'W'], [2265, 'M', 'g', 'C', 'G', 'R', 'e', 6991, 2829, 'G', 'Y', 'n', 933, 6971, 'T', 'x', 'l', '7063', '5831', '6663', '189', '6075', 'P', '8747', 'v', 'S', 'b', '9911', '3427', '4601', '7575', 'I', '313', '4333', 'S', 'x', 'V', 3943, 5471, 'K', 'B']