In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['J', 4529, 'D', 3265, 6917, 'j', 'k', 37, 't', 'M', 'g', 'n', 'c', '5829', '3453', 't', 'f', '2115', '3143', '7769', '7953', '109', 'z', '9085', 'M', 5761, 'n'], [79, 'O', 6209, 'U', 'c', '5829', '3453', 't', 'f', '2115', '3143', '7769', '7953', '109', 'z', '9085', 'w', 5703, 5581, 2781, 'Q', 'I', 2715, 2187, 7727, 3063, 2351, 'Y']