# include<iostream> # include<cstring> # include<cstdio> using namespace std; int main(){ int n; cin>>n; for(int i=1;i<=n;i++){ for(int j=1;j<=n-i;j++){ cout<<" "; }for(int k=1;k<=i*2-1;k++){ cout<<i; } cout<<endl; } return 0; }