In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[6741, 7651, 1063, '6723', '6375', '3701', '4913', '3069', '2051', 'k', 'N', 'O'], ['Y', 1479, '6723', '6375', '3701', '4913', '3069', '2051', 'k', 'I', 'G', 473, 2529]