In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['m', 1979, 7565, 4519, 885, 5099, 8131, 'a', '9073', '9087', 'P', '2625', 'R', '3905', 'V', 'n', '9807', '4713', '2211', '4959', '1603', '7725', 's', '3609', '6385', '2007', '2235', 'i', '4119', '8077', '7583', 'l', 'b', 'Z', 1121, 'h', 1839, 1759], [3069, 8017, '9073', '9087', 'P', '2625', 'R', '3905', 'V', 'n', '9807', '4713', '2211', '4959', '1603', '7725', 's', '3609', '6385', '2007', '2235', 'i', '4119', '8077', '7583', 'l', 'b', 'j', 5525, 7667, 'h', 'v', 4985, 5319, 'O', 8657, 7883, 'i', 'v', 2183, 'v', 'R', 'e', 'M', 'u', 'm']