In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[5189, 6517, 7263, 3907, 'I', 7869, 8561, 'M', 'X', 1055, 'N', 533, 9903, 'p', 5241, 'L', 4649, 'R', 'G', '3873', 'o', '4565', 'I', '9949', 'k', 'H', 'o', 'M', '7819', 'q', '3397', '739', '9863', '4743', 'n', '8999', 'G', '1411', 'L', 't', 'm', 'k', 6041, 'L', 'V', 9697, 7967, 't', 'L', 'i'], [1055, 2831, 3023, 8711, 'E', 6059, 'v', 'E', 'M', 4133, 'Q', 249, 'Q', 5195, 5607, 'G', '3873', 'o', '4565', 'I', '9949', 'k', 'H', 'o', 'M', '7819', 'q', '3397', '739', '9863', '4743', 'n', '8999', 'G', '1411', 'Q', 8961, 5471, 613, 4235, 'g', 'N', 9513, 9767, 'j', 't', 'I']