Fill in the grid so that every row, every column and the 3x3 boxes contain the digits 1 through 9. In the yellow cells there are 7 different values.
Fill in the grid so that every row, every column and the 3x3 boxes contain the digits 1 through 9. All eight green lines must use no more then four digits. Each line must use three of these digits.
Fill in the grid so that every row, every column and the 3x3 boxes contain the digits 1 through 9. All eight green lines must use no more then four digits. Each line must use three of these digits.
Fill in the grid so that every row, every column and the 3x3 boxes contain the digits 1 through 9. All eight green lines must use no more then four digits. Each line must use three of these digits.
Fill the grid with the digits 1 to 9. Each row, column and 3x3-box has exactly one of each digit. The four edges of the green square must contain the same set of digits (possibly in different orders). None edge of this square contains a repeated digit.
Fill in the grid so that every row, every column and the 3x3 boxes contain the digits 1 through 9. In the yellow cells there are 7 different values.
Fill in the grid so that every row, every column and the 3x3 boxes contain the digits 1 through 9. In the yellow cells there are 7 different values.
Fill in the grid so that every row, every column and the 3x3 boxes contain the digits 1 through 9. In the yellow cells there are 7 different values.
Fill in the grid so that every row, every column and the 3x3 boxes contain the digits 1 through 9. In the yellow cells there are 6 different values.
Fill in the grid so that every row, every column and the 3x3 boxes contain the digits 1 through 9. In the yellow cells there are 6 different values.