Fill in the grid so that every row, every column, every 3x3 box and the cyan cells contain the digits 1 through 9.
Fill in the grid so that every row, every column, every 3x3 box, the cyan cells and both diagonals contain the digits 1 through 9.
Fill in the grid so that every row, every column, every 3x3 box, the cyan cells and both diagonals contain the digits 1 through 9.
Fill in the grid so that every row, every column, every 3x3 box, the cyan cells and both diagonals contain the digits 1 through 9.