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

namespace maxGraf
{
    class Program
    {
        static void Main(string[] args)
        {
            bool visited;
            int counter = 0;
            List<List<int>> Graf = new List<List<int>>();

            // [0]
            Graf.Add(new List<int> { 4, 5 });
            // [1]
            Graf.Add(new List<int> { 4, 5, 6 });
            // [2]
            Graf.Add(new List<int> { 4 });
            // [3]
            Graf.Add(new List<int> { 6, 7 });
            // [4]
            Graf.Add(new List<int> { 0, 1, 2 });
            // [5]
            Graf.Add(new List<int> { 0, 1 });
            // [6]
            Graf.Add(new List<int> { 1, 3 });
            // [7]
            Graf.Add(new List<int> { 3 });

            foreach (List<int> subList in Graf)
            {
                Console.Write("[{0}] - ", counter);

                foreach (int item in subList)
                {
                    Console.Write(item + " ");
                }

                Console.WriteLine("\n");
                counter++;
            }
        }
    }
}