In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['w', 'C', 665, 5493, 'h', 'H', 1791, 3043, 1179, 'b', 'Z', 3461, 'n', 'O', 9443, 'i', 'a', 995, 'y', 9803, 'p', '4495', '3971', '489', 'Y', 'm', 'O', '9963', '353', 'r', 'V', '7243', '8905', 'i', 't', 't', '1949', 'S', 'V', 't', 'I', 'i', '263', 'l', 8665, 1269, 'Q', 'm', 'q', 7317, 4877], [4571, 'c', 3115, 'k', 'i', 'i', 6363, 7401, 'd', 'u', 3951, '4495', '3971', '489', 'Y', 'm', 'O', '9963', '353', 'r', 'V', '7243', '8905', 'i', 't', 't', '1949', 'S', 'V', 't', 'I', 'i', '263', 'X', 6055, 'I', 6147, 435, 'v', 2923, 'n']