include

using namespace std;
int main()
{
int n,i;
int m;
while(cin>>n)
{
for(i=1;i<=n;i++)
{
m=i;
for(m=1;m<=n-i;m++)
{
cout<<" ";
}
for(m=1;m<=2i-1;m++)
cout<<"";
cout<<endl;
}
}
return 0;
}