In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[1455, 213, 'g', 5413, 'a', 'X', 'W', 7069, 'y', '6885', 'J', 'P', 'Z', '7943', 'w', '6403', '4279', 'S', '2281', 'M', 'N', '3281', 'D', '7567', 'l', 'z', 'M', 'S', 4361, 7333, 8375, 2777, 1617, 'R', 's', 2733, 'h'], ['t', 5913, 363, 3341, 2869, 'Z', 2755, '6885', 'J', 'P', 'Z', '7943', 'w', '6403', '4279', 'S', '2281', 'M', 'N', '3281', 'D', '7567', 'l', 'z', 'r', 1041, 7653, 'A', 1371, 4839, 'G']