#include <iostream>
using namespace std;
int main()
{
for(unsigned size;cin>>size;cout<<endl) for(unsigned y=0;y<size;++y,cout<<endl) for(unsigned x=0;x<size;++x) cout<<" *"[(x+1==size)||(y==size>>1)||(x+(y<<1)+1==size)];
return 0;
}
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