In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['i', 7543, 'B', 6199, 'j', 'c', 'h', 'C', '3417', '613', '4359', 'b', '2793', '1581', 'P', 'v', 'O', '9649', '8741', '6817', 'u', '9823', '2175', '5341', '4313', '9947', '9561', 'F', 'J', 'D', 'a', '4859', 'S', 's', 'M', 359, 1373, 7233, 8085, 'U', 6339, 'K', 9689, 8517, 6739, 5735, 3351, 7925, 6863, 6427, 'k', 'R', 2497, 4771, 3335, 'T', 'E', 7333, 'O', 3871, 'd'], [7229, 'K', 8201, 7131, 1943, 'p', 'k', 'E', 4431, 'L', 8797, 'Y', 'f', 'N', 965, 'P', 'C', '3417', '613', '4359', 'b', '2793', '1581', 'P', 'v', 'O', '9649', '8741', '6817', 'u', '9823', '2175', '5341', '4313', '9947', '9561', 'F', 'J', 'D', 'a', '4859', 'S', 's', 'F', 'o', 'a', 797, 's', 4119, 'x', 'X', 'N', 't', 'j', 8801, 'm', 6529, 2669, 'l', 2757, 'S', 'V', 'V', 'G', 'G', 'O', 'S', 'l']