include [HTML_REMOVED]

include [HTML_REMOVED]

include [HTML_REMOVED]

using namespace std;

const int N = 110;

int n;
int main()
{
while(cin>>n,n)
{
for(int i=1;i<=n;i)
{
for(int j=i;j>=1;j–) cout<<j<<’ ‘;
for(int j=i+1;j<=n;j) cout<<j-i+1<<’ ‘;
cout<<endl;
}
cout << endl;
}

return 0;

}