#include <iostream>
#include <fstream>
using namespace std;

ifstream fin("damesah.in");
ofstream fout("damesah.out");
unsigned a[15], c[15], d[30], ds[30], sol, n;
void afisare()
{
    for(unsigned i = 1; i <= n; i++)
        fout << a[i] << " ";
}
void damesah(unsigned poz)
{
    if(poz == n + 1)
    {
        sol++;
        if(sol == 1)
            afisare();
    }
    else{
        for(unsigned i = 1; i <= n; i++)
        {
            a[poz] = i;
            if(c[i] == 0 and d[n + poz - i] == 0 and ds[poz + i - 1] == 0)
            {
                c[i] = d[n + poz - i] = ds[poz + i - 1] = 1;
                damesah(poz + 1);
                c[i] = d[n + poz - i] = ds[poz + i - 1] = 0;
            }
        }
    }
}

int main()
{
    fin >> n;
    damesah(1);
    fout << "\n";
    fout << sol;
    return 0;
}