#include <bits/stdc++.h>
using namespace std;
using LL=long long;
using ULL=unsigned long long;
#define rep(i,n) for(int i=0; i<(n); i++)

int V,D;

int main(){
  cin>>V>>D;
  string I(V,'1');
  string o(V-1,'0'); o="1"+o;
  if(D==1){
    rep(i,V) cout<<I<<"\n";
  }
  else{
    cout<<I<<"\n";
    rep(i,V-1) cout<<o<<"\n";
  }
  return 0;
}