#include <iostream>
#include <math.h>
#include<fstream>

using namespace std;

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

int x[13];
int solutie[13];



void tiparesteSolutie(int n)
{
	for (int i = 1; i <= n; i++)
    {
		solutie[i] = x[i];
	}
}

bool eValid(int k)
{
	for (int i = 1; i < k; i++)
		if ((x[k] == x[i]) || (k - i == abs(x[k] - x[i])))
        {
			return false;
        }
	return true;
}

int backtrack(int n)
{
	int eSolutie, k;
	k = 1;
	x[k] = 0;
	int nrSolutii = 0;
	int prima = 1;
	while (k > 0)
    {
		eSolutie = 0;
		while ((x[k] < n) && (!eSolutie))
        {
			x[k]++;
			eSolutie = eValid(k);
		}
		if (!eSolutie){
			k--;
		}
		else
		{
			if (k == n)
			{
				if (prima)
				{
					tiparesteSolutie(n);
					prima = 0;
				}
				nrSolutii++;
			}
			else
			{
				k++;
				x[k] = 0;
			}
		}
	}
	return nrSolutii;
}

int main()
{
	int n, k, eSolutie;
	fin >> n;
	int nrSolutii = backtrack(n);
	for (int i = 1; i <= n; i++)
    {
		fout << solutie[i] << " ";
	}
	fout << '\n';
	fout << nrSolutii;
	return 0;
}