#include <fstream>
using namespace std;

ifstream f("damesah.in");
ofstream g("damesah.out");

int N, x[14], nrsol;
bool ap[14], dp[14], ds[14];

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

void backt(int k)
{
    for(int i = 1; i <= N; i++)
        if(!ap[i] && !dp[N-k+i] && !ds[k+i-1])
        {
            x[k] = i;
            ap[i] = dp[N-k+i] = ds[k+i-1] = 1;
            if(k < N)
                backt(k + 1);
            else
            {
                nrsol++;
                if(nrsol == 1)
                    afis();
            }
            ap[i] = dp[N-k+i] = ds[k+i-1] = 0;
        }
}

int main()
{
    f >> N;
    backt(1);
    g << nrsol;
    return 0;
}