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Challenge 0

Street Art

Sonya’s new puzzle Did you know that Sonya is a fan of street art? She has also decorated her home with mathematical graffiti, and of course it includes a small […]

Challenge 0

The Mess

Start the month with one of Sonya’s puzzles Sonya was having some beams of wood delivered to build her new chalet. But all of a sudden… crash! The beams fell […]