SE-SKOLORNAS 1972 Problem 2
A rectangular grid of streets has north-south streets and east-west streets. For which is it possible to start at an intersection and drive through each of the other intersections just once before returning to the start?
Dataset text AI-MO AoPS. Quoted with source.
Solutions
No solution is on olymmath yet. Official and human solutions come first when they arrive. AI solutions come after them, with a label.
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