#include <fstream>

using namespace std;
int a[9];
int main()
{int n,i,j,aux;
    ifstream fin ("permutari.in");
    ofstream fout ("permutari.ut");
    fin>>n;
    for(i=1;i<=n;i++)
        a[i]=i;
    for(i=1;i<=n*2;i++)
       {
         for(j=1;j<=n;j++)
            fout<<a[j]<<" ";
            if(a[n]>a[n-1])
            {
                aux=a[n-1];
                a[n-1]=a[n];
                a[n]=aux;
            }
            else
                {
                    aux=a[1];
                    a[1]=a[2];
                    a[2]=aux;
                }

            fout<<"\n";
       }
    return 0;
}