#include <cstdio>
#include <cmath>

using namespace std;

int n, v[15], nr;
bool col[15], diag_st[15], diag_dr[15];
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; i <= n; ++i)
            if(!col[i] && !diag_st[i-k+n-1] && !diag_dr[k+i])
            {
                v[k] = i;
                col[i] = diag_st[i-k+n-1] = diag_dr[k+i] = 1;
                Dame(k+1);
                col[i] = diag_st[i-k+n-1] = diag_dr[k+i] = 0;
            }
}

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;
}