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#include <fstream>
using namespace std;
ifstream f("damesah.in");
ofstream g("damesah.out");
int n;
int stiva[15];
int frcol[15];
int frdp[30];
int frds[30];
int ans;
int dame(int niv)
{
for(int i=1; i<=n; ++i)
{
stiva[niv]=i;
frcol[i]++;
frds[i+niv]++;
frdp[i-niv+n]++;
int ok=1;
if(frcol[i]>1 || frds[i+niv]>1 || frdp[i-niv+n]>1)
ok=0;
if(!ok)
{
frcol[i]--;
frds[niv+i]--;
frdp[i-niv+n]--;
continue;
}
if(niv<n)
dame(niv+1);
else
{
ans++;
if(ans==1)
{
for(int i=1;i<=n;++i)
g<<stiva[i]<<' ';
g<<'\n';
}
}
frcol[i]--;
frds[niv+i]--;
frdp[i-niv+n]--;
}
}
int main()
{
f>>n;
dame(1);
g<<ans;
return 0;
}