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