Сдвиг заполняемых ячеек при работе с Excel - C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Excel = Microsoft.Office.Interop.Excel;
 
namespace WorkingToExcel
{
    class Program
    {
        static void Main(string[] args)
        {
            Excel.Application excelApp;
            Excel.Workbook excelAppWorkbook;
            Excel.Worksheet excelAppWorksheet;
            excelApp = new Excel.Application();
            excelAppWorkbook = excelApp.Workbooks.Open(@"C:\test.xls");
            excelAppWorksheet = (Microsoft.Office.Interop.Excel.Worksheet)excelAppWorkbook.Sheets[1];
            float[,] mass = new float[5, 5];
            int zapolnitel = 0;
            for (int i = 0; i < 5; i++)
            {
                for (int j = 0; j < 5; j++)
                {
                    mass[i, j] = zapolnitel;
                    zapolnitel++;
                }
            }
            for (int i = 0; i < 5; i++)
            {
                for (int j = 0; j < 5; j++)
                {
                    excelAppWorksheet.Range["B2", "F6"].Cells[i,j] = mass[i,j];
                }
            }
            excelApp.Visible = true;
            //Console.ReadKey();
        }
    }
}