A sudoku grid contains 81 squares. Any three subgrids contain 27 squares. To my knowledge, no one has exploited how close this number is to 26, the size of the English alphabet. In this article, I propose a simple way to link the full alphabet to the standard sudoku grid.
"A Pangrammatic Variant of Sudoku,"
Word Ways: Vol. 48
, Article 18.
Available at: https://digitalcommons.butler.edu/wordways/vol48/iss1/18