In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[2319, 'A', 317, 'g', 4393, 'k', 'Z', '2287', 'B', '5823', '7479', 't', '2011', 'L', '759', '425', 'i', '9027', 'j', '7249', 'z', '2159', '4345', '5345', '2299', '4679', '8707', 'j', 'k', '9289', 'L', '2937', 'K', 7835, 'Q', 'Y', 9953, 3307, 5939, 'l', 'G', 'A', 'X', 'm', 'E', 'o', 'n', 7851, 7969, 'y', 7355, 'u', 'M', 4455], [1129, 'p', 793, 1881, 4157, 10015, 'y', 'P', 1513, 'o', 5839, 1423, 'g', 'h', 8845, '2287', 'B', '5823', '7479', 't', '2011', 'L', '759', '425', 'i', '9027', 'j', '7249', 'z', '2159', '4345', '5345', '2299', '4679', '8707', 'j', 'k', '9289', 'L', '2937', 'j', 'm', 'E', 8561, 7097, 'j']