In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[7015, 'y', 'V', 'b', 2891, 3335, '8017', 'O', '3921', 'b', '7861', 't', 'o', 'W', '4063', 'x', 'y', 'h', 8061, 1183, 713, 8551, 1089, 7243, 8195], ['J', 7025, 'l', 'Q', 'Y', 'p', '8017', 'O', '3921', 'b', '7861', 't', 'o', 'W', '4063', 'x', 'v', 'C', 1713, 'z', 2341, 4109, 2307, 'H', 7431, 7601]