7.14. Number Table 7. Advanced Loops

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace NumberTable2
{
    class Program
    {
        static void Main(string[] args)
        {
            int n = int.Parse(Console.ReadLine());
                int num = 0;

                for (int i = 1; i <= n; i++)
                {
                    for (int j = 1; j <= n; j++)
                    {
                        num = i + j - 1;

                        if (num > n)
                        {
                            for (int k = 1; k <= n - j + 1; k++)
                            {
                                Console.Write("{0} ", n - k);
                            }
                            break;
                        }

                        Console.Write("{0} ", num);
                    }
                    Console.WriteLine();
                }
            }
        }
    }