#include <bits/stdc++.h>

using namespace std;

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

int v[205];
int diagPr[205];
int diagSec[205];
int lin[205];
bool af = 0;
int sol = 0;
const int C = 20;

bool verificare(int posI, int posJ) {
    return diagPr[posI - posJ + C] == 0 && diagSec[posJ + posI] == 0 && lin[posI] == 0;
}

void afisare(int n) {
    for (int i = 1; i <= n; i ++) {
        fout << v[i] << " ";
    }
}

void dame(int n, int d) {
    if (d > n) {
        if (af == 0) {
            sol ++;
            af = 1;
            afisare(n);
        }
        else {
            sol ++;
        }
        return;
    }
    for (int i = 1; i <= n; i ++) {
        v[d] = i;
        if (verificare(i, d)) {
            lin[i] = 1;
            diagSec[i + d] = 1;
            diagPr[i - d + C] = 1;
            dame(n, d + 1);
            lin[i] = 0;
            diagSec[i + d] = 0;
            diagPr[i - d + C] = 0;
        }
    }
}

int main() {
    int n;
    fin >> n;
    dame(n, 1);
    fout << "\n" << sol;
    return 0;
}