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What comes next? H1, I3, J5, K7, …
M9
K9
L9
L8
What comes next? M, V, N, U, O, …
U
T
S
P
What comes next? J1, M3, P5, S7, …
W9
V9
S9
V8
What comes next? H, S, I, R, J, …
Q
R
K
What comes next? DFH, JLN, PRT, …
VWX
VXZ
TVX
WYA