#include<bits/stdc++.h> using namespace std; int main(){ int n,sum=1; cin>>n; for(int i=1;i<=n;i++){ for(int j=1;j<=n;j++){ if(sum<10){ cout<<" "<<sum<<" "; }else{ cout<<sum<<" "; } sum++; } cout<<endl; } return 0; }