In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['E', 'T', 'c', 4475, 579, 'K', 'O', '1189', '4927', 'J', 'J', 'W', '3195', '9289', '3583', 'G', 6561, 4817, 9597, 4013, 7961, 4213], ['J', 'g', '1189', '4927', 'J', 'J', 'W', '3195', '9289', '3583', 'Z', 6529, 'f', 1973, 'I', 'l', 'I']