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What comes next? H1, J3, L5, N7, …
N9
Q9
P8
P9
What comes next? H, L, P, T, X, …
A
Y
F
B
What comes next? M, S, N, R, O, …
R
P
Q
What comes next? M, V, N, U, O, …
U
T
S
What comes next? G1, I3, K5, M7, …
M9
O8
O9