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#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("damesah.in");
ofstream fout("damesah.out");
#define lim 15
/// dp, ds - diagonala principala / secundara
int n,rez,sol[lim];
bool col[lim],dp[2*lim],ds[2*lim];
void dame(int k)
{
if(k==n+1)
{
if(rez==0)
{
for(int i=1; i<=n; i++)
fout<<sol[i]<<' ';
fout<<'\n';
}
rez++;
}
else
for(int i=1; i<=n; i++)
if(!col[i] && !dp[k-i] && !ds[k+i])
{
col[i]=dp[k-i]=ds[k+i]=true;
sol[k]=i;
dame(k+1);
col[i]=dp[k-i]=ds[k+i]=false;
}
}
int main()
{
fin>>n;
rez=0;
dame(1);
fout<<rez;
fin.close();
fout.close();
return 0;
}