#include <bits/stdc++.h>
using namespace std;
int main() {
  std::ios_base::sync_with_stdio(false);
  int n, k;
  cin >> n >> k;
  int i, j;
  int a[n][n];
  for (int i = 0; i < n; ++i) {
    for (int j = 0; j < n; ++j) {
      a[i][j] = 0;
    }
  }
  if (k > n * n) {
    cout << -1;
    return 0;
  }
  int flag = 0;
  for (int i = 0; i < n; ++i) {
    for (int j = 0; j < n; ++j) {
      if (a[i][j] == 0) {
        if (k <= 0) {
          flag = 1;
          break;
        }
        if (k > 0 && i == j) {
          a[i][i] = 1;
          k -= 1;
        } else if (k >= 2 && i != j) {
          a[i][j] = 1;
          a[j][i] = 1;
          k -= 2;
        }
      }
    }
    if (flag == 1) break;
  }
  for (int i = 0; i < n; ++i) {
    for (int j = 0; j < n; ++j) {
      cout << a[i][j] << " ";
    }
    cout << endl;
  }
  return 0;
}
