#include <fstream>
#include <algorithm>
#include <string.h>
#include<stdio.h>
using namespace std;
ifstream fin("damesah.in");
ofstream fout("damesah.out");
int sol[14],ans,ok,n;
bool main_diag[28],sec_diag[28],col[14];
void verif(int k)
{
    if(!ok)
    {
        for(int i=1;i<=k-1;i++)
            fout<<sol[i]<<" ";
        ok=1;
        fout<<'\n';
    }
    ans++;
}
void back(int k)
{
    if(k==n+1)
        verif(k);
    else
    {
        for(int i=1;i<=n;i++)
        {
            if(!col[i]&&!main_diag[i-k+n]&&!sec_diag[k+i-1])
            {
                sol[k]=i;
                col[i]=main_diag[i-k+n]=sec_diag[k+i-1]=true;
                back(k+1);
                col[i]=main_diag[i-k+n]=sec_diag[k+i-1]=false;
            }
        }
    }
}
int main()
{
    fin>>n;
    back(1);
    fout<<ans;
    return 0;
}