#include <iostream>
using namespace std;
int main() {
int n;
cin>>n;
for(int i=1; i<+n; i++){
for(int a =n;a>i;a--){
cout <<" ";
}
for(int e=1; e < n; e++){
cout<<e;
for(int m =0;m<e;m++){
cout <<" ";
}
cout << endl;
cout << e;
}
cout<<endl;
//
}
return 0;
}
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