#include <fstream>
using namespace std;
ifstream fin("damesah.in");
ofstream fout("damesah.out");

bool diag1[30], diag2[30], line[14], written;
int x[14], n;
unsigned long long sol;

void Back(int k)
{
    if(k==n+1)
    {
        sol++;
        if(!written)
        {
            for(int i = 1; i<= n; i++ )
                fout<<x[i]<<' ';
            fout<<'\n';
            written=1;
        }
        return;
    }
    for(int i = 1; i<= n; i++ )
    {
        if(!diag1[n+k-i+1]&&!diag2[i+k-1]&&!line[i])
        {
            diag1[n+k-i+1]=diag2[i+k-1]=line[i]=true;
            x[k]=i;
            Back(k+1);
            diag1[n+k-i+1]=diag2[i+k-1]=line[i]=false;
        }
    }
}

int main()
{
    fin>>n;
    Back(1);
    fout<<sol;
    fin.close();
    fout.close();
    return 0;
}