In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[6701, 6237, 6695, 2775, 9339, 3061, '5783', '3345', '2919', '6471', '4569', '1213', '7315', 'K', '1913', 'R', '4489', 'G', '1231', '9701', '11', '4737', '4497', '7677', 's', 'V', 945, 6657, 'L', 8813, 'e', 'C', 'Q'], ['O', 'P', 'b', 2035, 'Q', 'k', 'T', 'A', 2991, 'Y', 'Y', 'a', '5783', '3345', '2919', '6471', '4569', '1213', '7315', 'K', '1913', 'R', '4489', 'G', '1231', '9701', '11', '4737', '4497', '7677', 's', 'j', 'd', 'R', 'a', 2073, 7219, 9273, 'c', 287, 5233, 'I', 'E', 1219, 'j', 'X', 'j']