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#include<fstream>
#include<iostream>
#include<cmath>
using namespace std;
int n,c[15],nrSol;
ifstream f("damesah.in");
ofstream g("damesah.out");
void afisare()
{
for(int i=1;i<=n;i++)g<<c[i]<<" ";
}
void dama(int k)
{
int i,j,ok;
if(k==n+1){
if(nrSol==0)afisare();
nrSol++;
}
else
{
for(int i=1;i<=n;i++)
{
for(ok=1,j=1;j<k;j++)
if(c[j]==i||abs(c[j]-i)==abs(k-j))ok=0;
if(ok==1)
{
c[k]=i;
dama(k+1);
}
}
}
}
int main()
{
f>>n;
dama(1);
g<<"\n"<<nrSol;
return 0;
}