#include <stdio.h>
#include <bits/stdc++.h>
using namespace std;
#define rep(i,n) for (int i = 0; i < (n); ++i)
#define Inf 1000000000



int main(){
	
	int V,D;
	cin>>V>>D;
	
	vector<string> ans(V,string(V,'0'));
	
	if(D>=2){
		rep(i,V){
			ans[i][0] = '1';
			ans[0][i] = '1';
		}
	}
	else if(D==1){
		rep(i,V){
			rep(j,V){
				ans[i][j] = '1';
			}
		}
	}
	
	rep(i,V){
		cout<<ans[i]<<endl;
	}
	
    return 0;
}