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MathNet 2013 Question 95

Math Olympiad Vault · MathNet 2013

Question 95

A “deficient tile” is the figure formed from three unit squares shown below, or any rotation or reflection of it.

(a) Can $3\times671$ such tiles cover a $3\times2013$ rectangle completely without overlapping?

(b) Can $5\times671$ such tiles cover a $5\times2013$ rectangle completely without overlapping?

Question illustration