#include<stdio.h>
#include<fstream.h> 
int n,a[300][300],i,j,k=1;
int main()
{
    ifstream f("lacate.in");
    ofstream g("lacate.out");
     
    f>>n;
 
	 g<<(n*(n-1))/2<<" "<<n-1<<"/n";
  
  for(i=1;i<=n;i++)
    for(j=i;j<=n-1;j++)
    {
        a[i][j]=a[j+1][i]=k;
        k++;
    }
     
   for(i=1;i<=n;i++)
        {
            for(j=1;j<=n-1;j++)
            g<<a[i][j];
			g<<"/n";
		}
     
return 0;
}