/* -*- coding: utf-8 -*-
 *
 * 1399.cc:  No.1399 すごろくで世界旅行 (構築) - yukicoder
 */

#include<cstdio>
#include<cstdlib>
#include<cstring>
#include<cmath>
#include<iostream>
#include<string>
#include<vector>
#include<map>
#include<set>
#include<stack>
#include<list>
#include<queue>
#include<deque>
#include<algorithm>
#include<numeric>
#include<utility>
#include<complex>
#include<functional>
 
using namespace std;

/* constant */

/* typedef */

/* global variables */

/* subroutines */

/* main */

int main() {
  int v, d;
  scanf("%d%d", &v, &d);

  if (d == 1)
    for (int i = 0; i < v; i++) {
      for (int j = 0; j < v; j++) putchar('1');
      putchar('\n');
    }
  else
    for (int i = 0; i < v; i++) {
      for (int j = 0; j < v; j++) putchar(i == 0 || j == 0 ? '1' : '0');
      putchar('\n');
    }
  return 0;
}