#include <iostream>
#include <fstream>
#include <cmath>
using namespace std;
ifstream f("damesah.in");
ofstream g("damesah.out");
int n, x[14], nrsol;
bool col[14], dg1[26], dg2[26];

void afis()
{
    nrsol++;
    if(nrsol == 1)
    {
        for(int i = 1; i <= n; i++)
            g << x[i] << ' ';
        g << '\n';
    }
}

void BT(int k)
{
    if(k <= n)
        for(int i = 1; i <= n; i++)
        {
            x[k] = i;
            if(col[i] == 0 && dg1[k + i - 1] == 0 && dg2[n - k + i] == 0) //valid
            {
                col[i] = dg1[k + i - 1] = dg2[n - k + i] = 1;
                BT(k + 1);
                col[i] = dg1[k + i - 1] = dg2[n - k + i] = 0;
            }
        }
    else
        afis();
}

int main()
{
    f >> n;
    BT(1);
    g << nrsol;
    return 0;
}