#include <bits/stdc++.h>
using namespace std;
int main() {
  int n, k;
  cin >> n >> k;
  int** A = new int*[n];
  for (int i = 0; i < n; i++) A[i] = new int[n];
  for (int i = 0; i < n; i++)
    for (int j = 0; j < n; j++) A[i][j] = 0;
  for (int i = 0; i < n; i++) {
    if (k < 2) break;
    for (int j = 0; j < n; j++) {
      if (k < 2) break;
      if (A[i][j] == 0) {
        A[i][j] = 1;
        k--;
      }
      if (A[j][i] == 0) {
        A[j][i] = 1;
        k--;
      }
    }
  }
  if (k == 1)
    for (int i = 0; i < n; i++)
      if (A[i][i] == 0) {
        A[i][i] = 1;
        k--;
        break;
      }
  if (k > 0)
    cout << -1;
  else
    for (int i = 0; i < n; i++) {
      for (int j = 0; j < n; j++) cout << A[i][j] << ' ';
      cout << endl;
    }
}
