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

[2227, 8603, '9943', 'E', '4351', 't', 'l', 'x'], [5983, 'q', '9943', 'E', '4351', 'V', 4367]
9943, E, 4351

[8827, 'K', 7387, 7215, 'Y', '4759', 'V', 'l', '5621', '391', 'V', '6741', 'O', '3153', '4133', '2785', '8699', '9719', '1445', '487', 'm', '3969', 'u', 'u', '8779', 'y', 'R', 7083, 'U', 3361, 'u', 'b', 'M', 5833, 'D', 7509, 'D'], ['Y', 4615, 'l', 2547, '4759', 'V', 'l', '5621', '391', 'V', '6741', 'O', '3153', '4133', '2785', '8699', '9719', '1445', '487', 'm', '3969', 'u', 'u', '8779', 'b', 'W', 3225, 291, 2681, 'Z', 'k', 8059, 'A', 7261, 4877, 2019, 'g', 4621, 4541, 3343, 997, 6091, 5577, 'q']
4759, V, l, 5621, 391, V, 6741, O, 3153, 4133, 2785, 8699, 9719, 1445, 487, m, 3969, u, u, 8779

[2525, 5219, 'U', 'a', '9707', '5591', 't', '6775', 'k', '6605', '133', 'T', '9387', 'J', 't', '315', 'h', 'Q', 'W', '599', 'S', 'L', '9445', '4483', 'w', '703', 'u', 'u', 'O', 'v', 3521, 2001, 'b', 'O', 7935, 'D', 'G', 7183, 'T'], ['h', 8339, 'X', 7881, 'b', 9379, 'L', 'U', 'a', '9707', '5591', 't', '6775', 'k', '6605', '133', 'T', '9387', 'J', 't', '315', 'h', 'Q', 'W', '599', 'S', 'L', '9445', '4483', 'w', '703', 'u', 'C', 'D', 5661, 'l', 'W', 481, 'U', 3201, 'j', 'F', 'g', 'w']

U, a, 9707, 5591, t, 6775, k, 6605, 133, T, 9387, J, t, 315, h, Q, W, 599, S, L, 9445, 4483, w, 703, u