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

['m', 'K', 2769, 'i', 'k', 853, 'P', '9255', 'N', '8281', 'f', 'm', 'V', 'a', 3525, 7823, 2111, 'T'], ['Q', 1337, 'I', 'P', '9255', 'N', '8281', 'f', 'm', 'g', 'M', 3873]
P, 9255, N, 8281, f, m

[1057, 8997, 6853, 1935, 't', '3929', '9627', '4599', 'c', 'W', 'S', '7893', '2409', '6647', 'q', '3657', '3959', '7725', 'v', 'Q', 'L'], [2553, 'S', 'E', '3929', '9627', '4599', 'c', 'W', 'S', '7893', '2409', '6647', 'q', '3657', '3959', '7725', 'Q', 'S', 4853, 1079, 7087, 'W', 'k']
3929, 9627, 4599, c, W, S, 7893, 2409, 6647, q, 3657, 3959, 7725

[2489, 'C', 'v', 4351, 'Z', 'x', 'v', 3903, 's', 'E', '147', 'I', 'l', '3149', 'C', 'O', 'i', 'C', 'K', 'J', 'W', 't', 't', 4077, 'f', 3947, 'M', 9509, 'y', 'm', 8001, 1463], ['y', 4949, 4263, 2659, 'E', '147', 'I', 'l', '3149', 'C', 'O', 'i', 'C', 'K', 'J', 'W', 'h', 'Y', 'h', 1503, 'B']

E, 147, I, l, 3149, C, O, i, C, K, J, W