In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[7327, 'O', 'q', 'P', '9393', 't', '1401', 'l', '3315', '3273', '4169', 'r', '3539', '7231', 'K', '2011', '5601', '7079', '5787', 'a', 'G', 'k', '1707', '8027', '6245', 'T', '8943', '9375', 'i', '1799', 'f', 'g', '6459', '4979', 'X', 'O', 'b', 9335, 4155, 'b', 'S', 'p', 'X', 'y', 2071, 8951, 'l', 7743, 6565, 5901, 8039, 'z', 6987, 4909, 'M', 5669, 8119, 'o', 5907, 'c', 8913], [1099, 'W', 31, 2801, 9367, 4365, 'E', 6845, 5575, 1403, 'Y', 1189, 5605, 5875, 'w', 'l', 8457, 4603, 'N', 'z', 3013, '9393', 't', '1401', 'l', '3315', '3273', '4169', 'r', '3539', '7231', 'K', '2011', '5601', '7079', '5787', 'a', 'G', 'k', '1707', '8027', '6245', 'T', '8943', '9375', 'i', '1799', 'f', 'g', '6459', '4979', 'z', 'b', 6141, 8681, 'P', 'z', 'k', 4203, 'B', 5863, 349, 'Y', 529, 7639]