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


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() {
    ofstream o("damesah.out");
    ifstream f("damesah.in");
    int n, k, eSolutie;
    f >> n;
    int nrSolutii = backtrack(n);
    for (int i = 1; i <= n; i++){
        o << solutie[i] << " ";
    }
    o << '\n';
    o << nrSolutii;
    return 0;
}