In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.

['s', 'M', 'y', 'b', 'S', 'P', 'J', '8781', '7865', '1961', '6767', 'a', 'r', 'H', 'j', 'a', 'b', 'i', 'A', 2579, 8191, 'g', 3591, 4195, 'q', 1357], ['F', 'U', 'G', 7763, 1385, 'm', 1089, 4701, 1565, 'm', 9713, 'P', 'J', '8781', '7865', '1961', '6767', 'a', 'r', 'H', 'j', 'a', 'X', 'b', 'f', 7385, 'G']
P, J, 8781, 7865, 1961, 6767, a, r, H, j, a

['C', 1723, 8981, 3173, 3163, 'j', 'L', 4781, 'N', '5925', '2501', '9697', 'v', 'C', 'O', 'A', '9205', '8339', '3385', 'w', 3467, 'j', 6655, 'P', 8443, 9655], ['v', 'W', 5661, 'z', 'm', 8477, '5925', '2501', '9697', 'v', 'C', 'O', 'A', '9205', '8339', '3385', 'S', 6891, 'H', 'B', 8541]
5925, 2501, 9697, v, C, O, A, 9205, 8339, 3385

[6211, 8013, 7837, 3385, 'z', 7301, 'D', 'Y', 'Q', 'Y', 'W', '473', '9037', 'K', 'V', '7669', 'R', '6605', 'I', 'k', 5831], ['A', 'N', 'I', 4579, 'R', 'P', 4559, 3977, 'Y', 'W', '473', '9037', 'K', 'V', '7669', 'R', '6605', 'D', 7909, 'x']

Y, W, 473, 9037, K, V, 7669, R, 6605