In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['X', 5087, 's', 'I', 'Z', 'i', 1565, 7467, 6021, 7063, 'F', 709, 'q', 'L', 4767, 7771, 3071, '3667', 'T', 'c', '677', 'N', '8045', 'S', 'K', '9817', '7017', 'x', 'Y', '5521', 'q', 'L', 's', '7041', '7073', 'g', 'V', '465', '5595', '3023', '865', 'Q', 'u', 'Q', 'H', 'q', 7157, 'C', 'n'], ['a', 1417, 'd', 't', 'f', 'p', 'e', 1673, 5695, 3173, 'd', 415, 'x', 5973, 7859, 'H', 527, 7177, 'p', 7283, 'C', 'M', 8069, 3147, 4423, 8143, 'x', 897, '3667', 'T', 'c', '677', 'N', '8045', 'S', 'K', '9817', '7017', 'x', 'Y', '5521', 'q', 'L', 's', '7041', '7073', 'g', 'V', '465', '5595', '3023', '865', 'Q', 'u', 'Q', 'H', 'W', 1949, 3765, 8595, 81, 'p', 7175, 'u', 2131, 1923, 2763, 277, 'D', 's', 4049, 2979, 's', 'Y', 'g', 'M', 'f', 6633]