#include <bits/stdc++.h>
using namespace std;
vector<int> z_function(string s) {
  int n = (int)s.length();
  vector<int> z(n);
  for (int i = 1, l = 0, r = 0; i < n; ++i) {
    if (i <= r) z[i] = min(r - i + 1, z[i - l]);
    while (i + z[i] < n && s[z[i]] == s[i + z[i]]) ++z[i];
    if (i + z[i] - 1 > r) l = i, r = i + z[i] - 1;
  }
  return z;
}
int main() {
  ios::sync_with_stdio(0);
  int n, k;
  cin >> n >> k;
  vector<vector<int> > matrix(n, vector<int>(n, 0));
  if (n * n < k) {
    cout << -1;
    return 0;
  }
  for (int i = 0; i < n; ++i)
    for (int j = 0; j < n; ++j) {
      if (matrix[i][j] != 1) {
        if (i == j && k != 0)
          matrix[i][j] = 1, k--;
        else if (k > 1) {
          matrix[i][j] = matrix[j][i] = 1;
          k -= 2;
        }
      }
    }
  for (int i = 0; i < n; ++i) {
    for (int j = 0; j < n; ++j) {
      cout << matrix[i][j] << " ";
    }
    cout << endl;
  }
  return 0;
}
