In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['o', 'R', 'l', 'y', 8351, 3995, 8667, 'X', 'r', 7749, 's', 9049, 'X', 10021, 'L', '295', 'M', '6251', 'k', '925', '9911', '6105', 'o', '7871', 'T', 'h', '7613', '2341', '4205', 'L', 'j', 'F', 4501, 'N', 'g', 'k', 1891, 8829, 'h', 4055], [3261, 'x', 5565, 'e', 773, 'j', 'h', 317, 5829, 'k', 's', 'I', 2339, 3391, 'L', 'U', 2339, 'L', '295', 'M', '6251', 'k', '925', '9911', '6105', 'o', '7871', 'T', 'h', '7613', '2341', '4205', 'L', 'j', 'g', 5447, 9137, 5965, 'F', 7181, 7811, 9655, 8301, 6751, 't', 1153, 657]