#include<fstream>
using namespace std;
ifstream in("damesah.in");
ofstream out("damesah.out");
int v[15],n,nr=0,col[32]={0},diag1[32]={0},diag2[32]={0};

void back(int k)
{
    if(k==n+1)
    {
        nr++;
        if(nr==1)
            {
                for(int i=1;i<=n;i++)
                    out<<v[i]<<' ';
                out<<'\n';
            }
    }
    else
        for(int i=1;i<=n;i++)
        {
            v[k]=i;
            if(col[i]==0 && diag1[n+i-k]==0 && diag2[2*n-i-k+1]==0)
            {
                col[i]=1;
                diag1[n+i-k]=1;
                diag2[2*n-i-k+1]=1;
                back(k+1);
                col[i]=0;
                diag1[n+i-k]=0;
                diag2[2*n-i-k+1]=0;
            }

        }
}

int main ()
{
    in>>n;
    back(1);
    out<<nr<<'\n';
    return 0;
}