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

[5307, 'b', 'I', '9451', 'W', 7941], [8087, 'U', 'I', '9451', 'g', 'I']
I, 9451

[3409, 'W', 7371, 705, 4353, 6055, 1109, '2039', '1331', 'M', '1507', '1583', '9005', '3561', 'm', '3453', '9927', 'L', '5625', '3923', '5839', 'b', 'a', '1865', 'l', 'Z', '4855', '2985', 'l', '7011', 'Z', 'f', '6205', 'd', 'r', 5975, 7455, 'P', 7563, 'A', 797, 'm', 'y', 'S'], [851, 'D', 'Z', 't', 'd', 189, 'V', 'o', 8559, 3455, '2039', '1331', 'M', '1507', '1583', '9005', '3561', 'm', '3453', '9927', 'L', '5625', '3923', '5839', 'b', 'a', '1865', 'l', 'Z', '4855', '2985', 'l', '7011', 'Z', 'f', '6205', 'x', 'q', 7907, 857, 2245, 5847, 'h']
2039, 1331, M, 1507, 1583, 9005, 3561, m, 3453, 9927, L, 5625, 3923, 5839, b, a, 1865, l, Z, 4855, 2985, l, 7011, Z, f, 6205

[9191, 'P', 'C', '1397', 'd', 'z', '817', 'K', '7187', 'T', '581', '4383', 'V', 'S', 7263, 'N'], [7711, 'K', 'a', 9267, 'C', '1397', 'd', 'z', '817', 'K', '7187', 'T', '581', '4383', 'V', 'R', 7873, 'Z', 'j', 9527, 'B', 609, 'I', 'f', 'P']

C, 1397, d, z, 817, K, 7187, T, 581, 4383, V