Sudoku.Form1.button4_Click C# (CSharp) Method

        private void button4_Click(object sender, EventArgs e)
        {
            GenerateNumber gg = new Generate9();
            table = s.getSolve9x9();
            mapArrayToTable9x9(gg.generatePosition(table, valueLevel9x9));
            Box1.BackColor = Color.White;
            Box2.BackColor = Color.White;
            Box3.BackColor = Color.White;
            Box4.BackColor = Color.White;
            Box5.BackColor = Color.White;
            Box6.BackColor = Color.White;
            Box7.BackColor = Color.White;
            Box8.BackColor = Color.White;
            Box9.BackColor = Color.White;
            Box10.BackColor = Color.White;

            Box11.BackColor = Color.White;
            Box12.BackColor = Color.White;
            Box13.BackColor = Color.White;
            Box14.BackColor = Color.White;
            Box15.BackColor = Color.White;
            Box16.BackColor = Color.White;
            Box17.BackColor = Color.White;
            Box18.BackColor = Color.White;
            Box19.BackColor = Color.White;
            Box20.BackColor = Color.White;

            Box21.BackColor = Color.White;
            Box22.BackColor = Color.White;
            Box23.BackColor = Color.White;
            Box24.BackColor = Color.White;
            Box25.BackColor = Color.White;
            Box26.BackColor = Color.White;
            Box27.BackColor = Color.White;
            Box28.BackColor = Color.White;
            Box29.BackColor = Color.White;
            Box30.BackColor = Color.White;

            Box31.BackColor = Color.White;
            Box32.BackColor = Color.White;
            Box33.BackColor = Color.White;
            Box34.BackColor = Color.White;
            Box35.BackColor = Color.White;
            Box36.BackColor = Color.White;
            Box37.BackColor = Color.White;
            Box38.BackColor = Color.White;
            Box39.BackColor = Color.White;
            Box40.BackColor = Color.White;

            Box41.BackColor = Color.White;
            Box42.BackColor = Color.White;
            Box43.BackColor = Color.White;
            Box44.BackColor = Color.White;
            Box45.BackColor = Color.White;
            Box46.BackColor = Color.White;
            Box47.BackColor = Color.White;
            Box48.BackColor = Color.White;
            Box49.BackColor = Color.White;
            Box50.BackColor = Color.White;

            Box51.BackColor = Color.White;
            Box52.BackColor = Color.White;
            Box53.BackColor = Color.White;
            Box54.BackColor = Color.White;
            Box55.BackColor = Color.White;
            Box56.BackColor = Color.White;
            Box57.BackColor = Color.White;
            Box58.BackColor = Color.White;
            Box59.BackColor = Color.White;
            Box60.BackColor = Color.White;

            Box61.BackColor = Color.White;
            Box62.BackColor = Color.White;
            Box63.BackColor = Color.White;
            Box64.BackColor = Color.White;
            Box65.BackColor = Color.White;
            Box66.BackColor = Color.White;
            Box67.BackColor = Color.White;
            Box68.BackColor = Color.White;
            Box69.BackColor = Color.White;
            Box70.BackColor = Color.White;

            Box71.BackColor = Color.White;
            Box72.BackColor = Color.White;
            Box73.BackColor = Color.White;
            Box74.BackColor = Color.White;
            Box75.BackColor = Color.White;
            Box76.BackColor = Color.White;
            Box77.BackColor = Color.White;
            Box78.BackColor = Color.White;
            Box79.BackColor = Color.White;
            Box80.BackColor = Color.White;

            Box81.BackColor = Color.White;
        }