Fill in the grid with the digits 1 through 9. Each number should be used only once. The number in the coloured square is the sum of the four adjazent cells. The arrows show the biggest of the four adjazent digits.
Fill in the grid with the digits 1 through 9. Each number should be used only once. The number in the coloured square is the sum of the four adjazent cells. The arrows show the biggest of the four adjazent digits.