“Let's hear what she has to say.” Muko put a hand on Gelio's arm.
“Yeah,” Paidia resumed, “well I've either heard or read that there's an ex-teacher in charge of the department of collections in the school. Maybe he'll know something about it. He and his wife have a huge collection of all different kinds of mathematical objects, including puzzles. Maybe they'll know what it's all about.”
The department of collections was run by Professor Hedgehog and his wife Professor Gamezynka. They were an