In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['C', 'q', 'h', 2627, 'M', 'N', 8305, 'T', 4901, 'k', 5347, 4357, 9385, '5613', 'U', 'L', 'g', '4279', '7611', 'x', 'm', 'M', 'S', '8147', 'X', 'M', '6143', '6321', '75', '2599', 'g', '6443', 'U', 'K', 'P', 'b', 'a', 'b', 7299, 3821, 'i', 771, 's', 8639, 'd', 's', 'F', 'L', 2201, 7863, 'E', 9533, 5205, 'C', 6131], [3777, 'T', 'C', '5613', 'U', 'L', 'g', '4279', '7611', 'x', 'm', 'M', 'S', '8147', 'X', 'M', '6143', '6321', '75', '2599', 'g', '6443', 'U', 'K', 'P', 'b', 'a', 'v', 3859, 6053, 211, 2075, 9891, 875, 'h', 8383, 8891, 6931, 9097, 7547]