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