Neil Reed

[WebGet(UriTemplate = "/Login/{Username}/{Password}")]
public string Login(string Username, string Password)
{
   return "TestToken";
}

var test;

for(int test = 0; test < 10; test++)
{

}

 class Program
    {
        private const int Rows = 3;
        private const int Cols = 5;
        static readonly int[][] Card = new int[Rows][];

        static void Main(string[] args)
        {
            for (int times = 0; times < 20; times++)
            {
                var generated = 0;
                var rand = new Random(DateTime.Now.Millisecond);
                for (var i = 0; i < Rows; i++)
                {
                    Card[i] = new int[Cols];
                }

                while (generated < (Cols*Rows))
                {
                    var num = rand.Next(1, 90);

                    if (!Contains(num))
                    {
                        var row = generated/Cols;
                        var currentCol = generated - (row*5);

                        if (!Card[row].Any(c => c > 0 && c/10 == (num/10)))
                        {
                            generated++;
                            Card[row][currentCol] = num;
                        }
                    }
                }

                for (var i = 0; i < Rows; i++)
                {
                    Array.Sort(Card[i]);
                }

                for (var i = 0; i < Cols; i++)
                {
                    SortNumber(i, 1, 2);
                    SortNumber(i, 0, 1);
                    SortNumber(i, 0, 2);
                }

                for (var row = 0; row < Rows; row++)
                {
                    for (var i = 0; i < 9; i++)
                    {
                        var found = false;
                        for (var col = 0; col < Cols; col++)
                        {
                            if (Card[row][col]/10 == i)
                            {
                                found = true;
                                Console.Write("{0:00} ", Card[row][col]);
                                break;
                            }
                        }

                        if (!found)
                        {
                            Console.Write("   ");
                        }

                    }
                    Console.WriteLine();
                }
            }

            Console.ReadLine();
        }

        private static void SortNumber(int col, int row1, int row2)
        {
            if (Card[row2][col] / 10 == Card[row1][col] / 10)
            {
                if (Card[row2][col] < Card[row1][col])
                {
                    var tmp = Card[row2][col];

                    Card[row2][col] = Card[row1][col];
                    Card[row1][col] = tmp;
                }
            }
        }

        private static bool Contains(int num)
        {
            for (var i = 0; i < Rows; i++)
            {
                if (Card[0].Any(n => n == num))
                {
                    return true;
                }
            }

            return false;
        }
    }