#include <bits/stdc++.h>
using namespace std;
const long long int infinity = 9e18;
int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);
  int n, k;
  cin >> n >> k;
  vector<vector<int>> v(n, vector<int>(n, 0));
  if (k > n * n) {
    cout << -1;
    return 0;
  }
  int a = 0;
  while (k >= (2 * (n - a) - 1)) {
    for (int i = a; i < n; i++) {
      v[a][i] = 1;
      v[i][a] = 1;
    }
    k -= (2 * (n - a) - 1);
    a++;
  }
  if (k % 2 == 0 && k > 1) {
    v[a + 1][a + 1] = 1;
    k -= 1;
  }
  if (k > 0) {
    v[a][a] = 1;
    k -= 1;
  }
  for (int i = 1 + a; i < 1 + a + k / 2; i++) {
    v[a][i] = 1;
    v[i][a] = 1;
  }
  for (int i = 0; i < n; i++) {
    for (int j = 0; j < n; j++) {
      cout << v[i][j] << " ";
    }
    cout << "\n";
  }
  return 0;
}
