#include<fstream>
using namespace std;
ifstream f("damesah.in",ios::in);
ofstream g("damesah.out",ios::out);
int n,sol,pozitie[14];
bool gasit, coloana[14],diagonala1[28],diagonala2[28];
int back(int k)
{
    int i;
    if(k==n+1)
    {
          if(gasit==0)
          {
                for(i=1;i<=n;i++)
                {
                    g<<pozitie[i]<<' ';
                    gasit=true;
                }
          }
          sol++;
    }
    else
    {
        for(i=1;i<=n;i++)
        {
            if(coloana[i]==0 && diagonala1[n-k+i]==0 && diagonala2[k+i-1]==0)
            {
                   pozitie[k]=i;
                   coloana[i]=diagonala1[n-k+i]=diagonala2[k+i-1]=true;
                   back(k+1);
                   coloana[i]=diagonala1[n-k+i]=diagonala2[k+i-1]=false;
            }
        }
    }
}
int main()
{
    f>>n;
    back(1);
    g<<'\n'<<sol;
    return 0;
}