In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[4475, 9275, '2159', 'u', 't', 'E', '1303', '3159', '385', '6805', 'X', 1107, 'y', 7525, 49, 'C', 'd', 'o'], [441, 'x', 'f', 'F', 'f', 277, 'o', '2159', 'u', 't', 'E', '1303', '3159', '385', '6805', 'Y', 'I']