#include <cstdio>
#include <cmath>

using namespace std;

int n, v[15], nr;
bool gasit;

void afiseaza()
{
    for(int i = 1; i <= n; ++i) printf("%d ", v[i]);
}

void Dame(int k)
{
    if(k == n + 1)
    {
        if(!gasit)
        {
            afiseaza();
            gasit = 1;
        }
        nr++;
    }
    else
    {
        for(int i = 1, ok; i <= n; ++i)
        {
            ok = 1;
            for(int j = 1; j < k; ++j)
                if(v[j] == i || abs(v[j] - i) == (k - j)) ok = 0;
            if(ok)
            {
                v[k] = i;
                Dame(k+1);
            }
        }
    }
}

int main()
{
    freopen("damesah.in", "r", stdin);
    freopen("damesah.out", "w", stdout);

    scanf("%d", &n);
    fclose(stdin);

    Dame(1);

    printf("\n%d", nr);
    fclose(stdout);
    return 0;
}