In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[3195, 5771, 2021, 7173, 3493, 'u', 'I', 8595, 'A', 9739, 'b', 'B', 'B', 2599, 'F', 'A', 'U', 'k', 'o', 'f', 'L', 'b', 'a', 'W', '8553', 'k', 'U', '445', 'd', '3063', 'J', 'q', 'h', '9015', 'W', '9757', '7119', '6743', '291', 'p', 'V', '8459', '9605', 'L', '9151', '2849', 'D', 'r', 'D', 3079, 959, 7295, 't'], ['P', 5393, 'E', 'e', 4415, 'd', 'Q', 'S', 1147, 7125, 5541, 6595, 7657, 'e', 6711, 'O', 'd', 'b', 3061, 'x', 'b', 'a', 'W', '8553', 'k', 'U', '445', 'd', '3063', 'J', 'q', 'h', '9015', 'W', '9757', '7119', '6743', '291', 'p', 'V', '8459', '9605', 'L', '9151', '2849', 'D', 't', 4829, 4851, 'U', 3865, 8595, 'h', 'O', 6667, 2239, 'd', 'H', 'W', 'E', 3931, 7389, 895, 2155, 'O', 3257]