In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['q', 'm', 6141, 3531, 7325, 6995, 523, 'o', '4461', '8613', 'W', 'V', '3673', 'z', 'W', '507', '201', 'i', '881', 'M', 'o', '8623', '5931', '8651', '7165', 'd', 'r', '9659', 'v', 7873, 'Q', 6365, 7655, 'C', 'O', 'f', 'Y', 1873, 5445, 7655, 2433, 'X', 1025, 'm', 6499, 'c', 'W', 'S'], ['M', 9393, 'M', 'Z', 7735, 519, '4461', '8613', 'W', 'V', '3673', 'z', 'W', '507', '201', 'i', '881', 'M', 'o', '8623', '5931', '8651', '7165', 'd', 'r', '9659', 'C', 8319, 649, 'w', 'G', 3879, 2781, 'L', 'S']