In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[7373, 887, 6733, 'n', 3529, 'l', 'v', 1019, 'v', '5919', 'A', '7153', '3763', '6521', '7777', 'f', '9749', 'r', 'v', 'G', '657', 'V', '5277', '9747', 'b', '3351', 'l', '913', '377', 'H', 'w', 'a', 'h', 't', 'a', 's', 6971, 3727, 6629, 1329, 'N', 9729, 'e'], ['p', 9465, 'u', 'A', 5321, 'N', 'F', 5747, 'M', 2747, '5919', 'A', '7153', '3763', '6521', '7777', 'f', '9749', 'r', 'v', 'G', '657', 'V', '5277', '9747', 'b', '3351', 'l', '913', '377', 'H', 'L', 6821, 'O', 5057, 'X', 8769, 157, 'h', 8377, 'f', 9635, 5869, 'u']