#include <fstream>
#include <iostream>

using namespace std;

ifstream fin("damesah.in");
ofstream fout("damesah.out");

int n, cnt, x[14];
bool C[14], dP[26], dS[26];

void afisare(int n, int sol[])
{
    for(int i = 1; i <= n; i++)
        fout << sol[i] << ' ';
    fout << '\n';
}

void back(int k)
{
    if(k <= n)
    {
        for(int i = 1; i <= n; i++)
            if(C[i] == 0 && dP[n - k + i] == 0 && dS[k + i - 1] == 0)
            {
                x[k] = i;
                C[i] = dP[n - k + i] = dS[k + i - 1] = 1;
                back(k + 1);
                C[i] = dP[n - k + i] = dS[k + i - 1] = 0;
            }
    }
    else
    {
        if(cnt == 0)
            afisare(n, x);
        cnt++;
    }
}

int main()
{
    fin >> n;
    back(1);
    fout << cnt;
    return 0;
}