using System;

public class Program

{

    public static void Main()

    {

        int totalPagesCount = 23;

​

        int range = 10;

        for(int i =1;i<= totalPagesCount;i++)

        {

            int allRange = (totalPagesCount - 1) / range;

            int actRange = (i - 1) / range;

            int firstInRange = actRange * range +1;

            int lastInPage = 0;

            int prev = -1;

            int next = -1;

            if(actRange == allRange)

            {

                lastInPage = totalPagesCount;

            }

            else

            {

                lastInPage = (actRange + 1) * range;

            }

            if(actRange == 0)

            {

            }

            Console.WriteLine("{0} {1} {2}-{3}",i,actRange,firstInRange,lastInPage);

        }

    }

}