#include<iostream>
#include<fstream>
#include <stdlib.h>
using namespace std;

void PQueen(int,int);
int verifyP(int,int);
void show();

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

int n,col[14],nr = 0;
bool first = true;


int main()
{
    in>>n;
    PQueen(1,1);
    out<<"\n"<<nr;
}

void PQueen(int r, int column)
{
    for(int i = 1;i <= n;i++)
    {
        if(verifyP(r,i))
        {
            col[r] = i;

            if(r == n)
            {
                nr++;
                show();
            }
            else
            {
                PQueen(r + 1,column);
            }
        }
    }

}

int verifyP(int r, int collumn)
{
    for(int i = 1; i < r; i++)
    {
        if(col[i] == collumn || abs(col[i] - collumn) == abs(i - r))
        {
            return 0;
        }
    }
    return 1;

}

void show()
{
    if(first == true)
    {
        for(int i = 1; i <= n; i++)
        {
            out<<col[i]<<" ";
        }
    }
    first = false;

}