“I’ve answered two of the questions,” smiles Wen.
“You mean you’ve found solutions to two of the problems, and which would they be then?”
“I know where the tower is situated.”
“Ah, I thought you had the air of one who has been grubbing about in old books about you.”
“If by ‘grubbing about’ you mean research, I feel no sense of shame about that,” says Wen.
“You already know about it?”
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