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What comes next? H, N, I, M, J, …
L
M
K
What comes next? CX, DW, EV, FU, …
TG
HT
GS
GT
What comes next? G, K, O, S, W, …
A
E
X
Z
What comes next? H1, J3, L5, N7, …
P9
Q9
P8
N9
What comes next? F1, G3, H5, I7, …
J8
J9
K9
I9