In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[1199, 9475, 'k', 'A', 't', 'O', 'U', 'Y', '5651', '7285', '5197', '7739', 'L', 'Z', '5443', 'Z', 'H', '2565', 'i', 'p', '4077', '3605', '2123', 'g', 'J', 7255, 8733], ['l', 9247, 5535, 1099, 'C', 'R', 6581, 'Z', 7941, 535, 8749, 191, 'W', 'c', 8725, 4791, 'Z', 5867, 8889, 'k', 'A', 't', 'O', 'U', 'Y', '5651', '7285', '5197', '7739', 'L', 'Z', '5443', 'Z', 'H', '2565', 'i', 'p', '4077', '3605', '2123', 'i', 'T', 7815, 2335, 7323, 1251, 'm', 'H', 'k', 9175]