In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['h', 2519, 'N', 8491, 'p', 'e', 7843, 'h', 7415, '8373', '7683', '9959', 'V', 'k', 'D', 'Q', '1855', 'L', '9177', '9925', 'x', 'F', '6745', 'a', '7347', '6077', 'F', '3441', 'D', 'j', 'P', 'D', 'V', 7741, 'v', 'g', 4249, 9803, 829, 'e', 'R', 4081, 8347, 'M'], ['y', 'E', 'h', 'C', 'P', 'J', 5427, 'y', 7265, 'U', 2973, 'b', '8373', '7683', '9959', 'V', 'k', 'D', 'Q', '1855', 'L', '9177', '9925', 'x', 'F', '6745', 'a', '7347', '6077', 'F', '3441', 'b', 4959, 'v', 'T', 6857, 7117]