In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['M', 2463, 'V', 9011, 'h', 'O', 'G', 'N', 6661, 5355, 'H', 599, 'S', 4081, 7647, 3251, 'Q', 'R', 'a', 'z', 'U', 's', 5221, 3871, 'M', 'H', '5103', '4019', '6103', 'f', 'q', 'c', 'w', 'P', '9315', 'p', '8071', 'f', '5277', 'B', '759', '3617', 'r', 'P', '1793', '7689', 'l', 'v', 'E', '7749', '15', 'F', 'u', 'f'], ['U', 9345, 6381, 1311, 'v', 'j', 'o', 'U', 8919, 'k', 'S', 'H', '5103', '4019', '6103', 'f', 'q', 'c', 'w', 'P', '9315', 'p', '8071', 'f', '5277', 'B', '759', '3617', 'r', 'P', '1793', '7689', 'l', 'v', 'E', '7749', '15', 't', 'r', 3655, 'm', 'N', 1299, 2155, 6443, 'Z', 'V', 'w', 'j', 'V', 'g', 6933, 'L', 9435, 53]