In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[4285, 'N', 'o', 'Y', 8379, 'z', 9949, 'e', 'Q', 'j', 2231, 'M', 8563, 't', 'o', 'v', 1637, 6325, '1077', '3341', 'V', '893', '1843', 's', 'S', 'i', '3691', 'R', 'q', 'Y', 'P', '5251', '4397', '3139', '9725', 'a', 'n', 'l', '5033', 'o', '5925', '5293', '17', 'n', '967', 'l', 't', 'f', 'k', 6623, 4061, 'I', 'D', 'n', 1901, 5071, 'z', 'R', 9673], ['r', 4389, 'b', 9919, 1581, 2487, 'U', 9967, 691, 'V', 'U', 'E', 555, 'b', '1077', '3341', 'V', '893', '1843', 's', 'S', 'i', '3691', 'R', 'q', 'Y', 'P', '5251', '4397', '3139', '9725', 'a', 'n', 'l', '5033', 'o', '5925', '5293', '17', 'n', '967', 'l', 't', 'f', 'm', 607, 7231, 1729, 1471, 'M', 7799, 5789, 8959, 'b', 8443, 7517, 'j', 'G', 'B', 2317, 'V', 2311, 'S', 5713]