Invertible Word Squares and Rectangles

Authors

Mike Keith

Abstract

Eric Harshbarger recently posed an interesting question: what are the largest word squares or rectangles that can be found which transform into another, valid word square or rectangle when turned upside down?

Recommended Citation

Keith, Mike (2011) "Invertible Word Squares and Rectangles," Word Ways: Vol. 44 : Iss. 4 , Article 20.
Retrieved from: https://digitalcommons.butler.edu/wordways/vol44/iss4/20