using System;

using System.Text;

using System.Collections.Generic;

using System.Linq;

public class Program

{

    public static void Main()

    {

        var sequences = new int[][]

        {

            new [] { -1, 2, 3 },

            new [] { 5, 1, 4 },

            new [] { 2, 3, 3 },

            new [] { 2, 5, 4 }

        };

        Console.WriteLine("Input:");

        PrintSequences(sequences);

        var ordered = sequences.OrderByDescending(s => s, new IntArrayComparer());

        Console.WriteLine();

        Console.WriteLine("Output:");

        PrintSequences(ordered);

    }

    private static void PrintSequences(IEnumerable<int[]> sequences)

    {

        var sb = new StringBuilder();

        foreach (var seq in sequences)

        {

            foreach (var i in seq)

            {

                sb.Append(string.Format("{0,3}", i));

            }

            sb.AppendLine();

        }

        Console.Write(sb);

    }

}

​

public class IntArrayComparer : IComparer<int[]>

{

    public int Compare(int[] x, int[] y)

    {

        // Ensure we don't get a null-ref exception further down

        if (x == null || y == null)

            // x should come before (-1) or after (1) y (default ascending order)

            return y == null ? -1 : 1;

        // If the lengths are different, the length is the first ordering priority

        if (x.Length != y.Length)

            // Use the built-in 'CompareTo' method for the 'int' type

            return x.Length.CompareTo(y.Length);

        // Lengths are the same, so we compare the contents

        for (var i = 0; i < x.Length; i++)

        {

            var comparison = x[i].CompareTo(y[i]);

            // If the elements in the two seq. are different, we return the ordering

            if (comparison != 0)

                return comparison;

        }

        return 0;

    }

}