public class Muster {

   public static void main (String[] args) {
      int n = Integer.parseInt (args[0]);
      for (int i=1; i <= n; i++) {
         for (int j=1; j <= n; j++) {
            if (j < i)
               System.out.print ("0 ");
            else
               System.out.print (i + " ");
         } // for j
         System.out.println();
      } // for i
   } // main

} // Muster