#include <fstream>
#include <cmath>
using namespace std;
ifstream fin("damesah.in");
ofstream fout("damesah.out");
short n, ans;
bool xdame[14];
short ydame[14];
void scrie()
{
    for(short i=1; i<=n; i++)
        fout<<ydame[i]<<' ';
}
bool valid(short k, short i)
{
    bool ret=1;
    for(short w=1; w<k; w++)
        if((ydame[w]==i)||(k-w==abs(i-ydame[w])))
            return 0;
    return ret;
}
void bcktrk(short k)
{
    if(k!=0)
    {
        for(short w=1; w<=n; w++)
        {
            if(valid(k, w))
            {
                xdame[k]=1;
                ydame[k]=w;
                if(k==n)
                {
                    if(!ans)
                        scrie();
                    ans++;
                }
                else
                    bcktrk(k+1);
            }
        }
    }
}
int main()
{
    fin>>n;
    bcktrk(1);
    fout<<endl<<ans;
}