In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[5091, 8933, 299, 'R', 4039, 'z', 'M', 'c', 6653, 481, 7863, 'T', 'C', '1709', 'O', 'f', '6075', '1813', '7771', '6061', '521', 't', '659', 'T', '2239', 'E', '161', 'E', 'A', 8853, 'L', 3955, 'w', 'Y', 1613, 'n', 4593], [4109, 'P', 8783, 61, 'R', 8985, 2283, 'V', 7403, 4961, 'T', 3827, 7765, 2701, 'r', 9307, 'T', 'C', '1709', 'O', 'f', '6075', '1813', '7771', '6061', '521', 't', '659', 'T', '2239', 'E', '161', 'C', 'v', 'Q', 7391, 'H', 1253, 63]