In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[7211, 7619, 'J', 'A', 6617, 6091, 'P', 'H', 'd', '125', '4275', 'n', '6459', 'l', 'I', '5063', 'H', 'j', 7299, 7231, 'e', 6125, 'V', 'X', 'u', 7883, 3353], ['T', 'z', 6993, 2359, 'A', 'P', 'H', 'd', '125', '4275', 'n', '6459', 'l', 'I', '5063', 'H', 'h', 299, 2345]