#include <fstream>
#include <cmath>

using namespace std;

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

const int NMAX = 13;

int x[NMAX + 1];
bool fr[NMAX + 1];
int n, cnt;
bool ok;

bool valid(int k)
{
    for (int i = 1; i < k; i++)
        if (k - i == fabs(x[k] - x[i]))
            return 0;
    return 1;
}

void afis()
{
    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++)
            if (!fr[i])
            {
                x[k] = i;
                fr[i] = 1;
                if (valid(k))
                    bt(k + 1);
                fr[i] = 0;
            }
    }
    else
    {
        if (!ok)
        {
            afis();
            ok = 1;
        }
        cnt++;
    }
}

int main()
{
    f >> n;
    /// cnt = 0;
    bt(1);
    g << cnt;
    f.close();
    g.close();
    return 0;
}