DouKaku?

using System;
using System.Text;
class Program
{
  static void Main()
  {
    PrintBingo(35);
  }
  static void PrintBingo(int n)
  {
    Random r = new Random();
    int[] a = new int[n];
    for (int i = 0; i < n; ++i) a[i] = i + 1;
    for (int i = n; i > 1; --i)
    {
      int k = r.Next(i);
      int tmp = a[i - 1];
      a[i - 1] = a[k];
      a[k] = tmp;
    }
    for (int i = 0; i < n; i++)
    {
      if (i % 10 == 0)
      {
        if (i > 0) Console.WriteLine("\n");
        for (int j = i; j < Math.Min(n, i + 10); j++)
          Console.Write("{0,3}", j + 1);
        Console.WriteLine();
      }
      Console.Write("{0,3}", a[i]);
    }
    Console.WriteLine();
  }
}