In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[3749, 'R', 2985, 'S', 8921, 'B', 'g', 'w', 'b', 3883, 'W', 'T', 9615, 'K', 4975, 'n', 7769, 9797, '9125', 'S', 's', 'E', 'K', 'I', '8433', '6913', '147', '4291', '891', 'E', 'n', '3765', 'G', 'O', '4537', 'L', 'y', '9875', 'C', 4631, 3007, 'm', 9645, 1265, 19, 'v', 7831, 9269, 95, 3501, 7051], [4557, 'U', 9959, 'F', 4991, 5613, 3717, 'w', 'C', '9125', 'S', 's', 'E', 'K', 'I', '8433', '6913', '147', '4291', '891', 'E', 'n', '3765', 'G', 'O', '4537', 'L', 'y', '9875', 'G', 'H', 7461, 1947, 7521, 'd', 1005, 'p', 'F', 'r', 'X', 5795, 'd', 7061, 1809, 5255, 'S', 5033]