using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

using System.IO;

​

namespace fossili

{

    class Program

    {

        public int Solve(int a1, int a2, int b1, int b2, int c1, int c2)

        {

             var risposta = 42;

            List<int> arr1 = new List<int>();

            arr1.Add(a1);

            arr1.Add(b1);

            arr1.Add(c1);

​

            List<int> arr2 = new List<int>();

            arr2.Add(a2);

            arr2.Add(b2);

            arr2.Add(c2);

​

            arr1.Sort();

            arr2.Sort();

​

            risposta = arr2[0] - arr1[2];

            return risposta;

        }

​

        public void Run()

        {

            // se preferisci leggere e scrivere da file

            // ti basta modificare la seguente variabile

            bool input_from_file = false;

​

            if (input_from_file) {

                streamReader = new StreamReader("input.txt");

                streamWriter = new StreamWriter("output.txt");

            } else {

                streamReader = new StreamReader(Console.OpenStandardInput());

                streamWriter = new StreamWriter(Console.OpenStandardOutput());

            }

​

            iterator = GetEnumerator(streamReader);

​

            int T = NextInt();

​

            for (int t = 1; t <= T; t++) {

                int a1 = NextInt();

                int a2 = NextInt();

                int b1 = NextInt();

                int b2 = NextInt();

                int c1 = NextInt();

                int c2 = NextInt();

​

                int res = Solve(a1, a2, b1, b2, c1, c2);

                streamWriter.WriteLine($"Case #{t}: {res}");

                streamWriter.Flush();

            }

​

            streamReader.Close();

            streamWriter.Close();

        }

​

        public IEnumerator<String> GetEnumerator(StreamReader sr)

        {

            String line;

            while ((line = sr.ReadLine()) != null) {

                String[] tokens = line.Split(' ').Where(t => t.Length > 0).ToArray();

                foreach (String t in tokens) {

                    yield return t;

                }

            }

        }

​

        public String NextToken()

        {

            iterator.MoveNext();

            return iterator.Current;

        }

​

        public int NextInt()

        {

            return Convert.ToInt32(NextToken());

        }

​

        static void Main(String[] args)

        {

            var program = new Program();

            program.Run();

        }

​

        private StreamReader streamReader;

        private StreamWriter streamWriter;

        private IEnumerator<String> iterator;

    }

}