#include<bits/stdc++.h>
using namespace std;
int main()
{
int n;
cin>>n;
for(int i=0;i<n;i++){
for(int k=0;k<n-i-1;k++){
cout<<" ";
}
int c=i+1;
int val=i+1,r;
for(int j=0;j<(2*i)+1;j++){
if(i==0){
cout<<j+1;
}
else{
if(j<c){
cout<<val;
r=val;
val++;
}
else{
r--;
cout<<r;
}
}
}
cout<<"\n";
}
}
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