we turn coffee into puzzles


MathFest 2007 Sudoku

Fill in the grid so that each row, column, and jigsaw region contains exactly the letters in "MATHFEST 2007". Note that 'T' and '0' will each appear twice in each row, column, and region.


Appeared in the conference program for MathFest 2007, the annual national summer meeting of the Mathematical Association of America, August 2007.