# include <fstream>

using namespace std;
int main()
{
    unsigned short n,lmin,c;
    fstream f("lacate.in.txt",ios::in);
    fstream g("lacate.out.txt",ios::out);
    f>>n;
    lmin=n*(n-1)/2;
    c=n-1;
    g<<lmin<<" "<<c<<endl;
    int mat[n+1][n];

    int k=0;
    for(int i=1;i<=n;i++){
        for(int j=i+1;j<=n;j++){
            mat[i][j-1]=++k;
            mat[j][i]=k;
        }
    }

    for(int i=1;i<=n;i++)
    {
        for(int j=1;j<=n-1;j++)
            g<<mat[i][j]<<" ";
        g<<endl;
    }

    return 0;
}