#include<bits/stdc++.h> using namespace std; int main(){ int n,a[21][21]; cin>>n; for(int i=0;i<n;i++){ for(int j=0;j<n;j++){ a[i][j]=1; } } for(int i=0;i<n;i++){ for(int j=0;j<n;j++){ // cout<<a[i][j]<<" "; a[i][j]+=1; } } for(int i=0;i<n;i++){ for(int j=0;j<n;j++){ // cout<<a[i][j]<<" "; cout<<a[i][j]<<" "; } cout<<endl; } return 0; }