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Snails' Trails

Stage: 2 Challenge Level: Challenge Level:1

1aAlice and Brian4a

Alice and Brian are snails. They live on a wall. Alice at A and Brian at B. They can only travel along the cement cracks. The bricks are too rough for them.
Alice wants to visit Brian.


WALL


How far is the shortest route along the cracks?

Is there more than one way to go?

What is the longest route without going along any crack twice?