#include <bits/stdc++.h>
bool ans[100][100];
using namespace std;
int main() {
  ios::sync_with_stdio(false);
  int n, k;
  cin >> n >> k;
  if (k > n * n) {
    cout << -1 << endl;
    return 0;
  }
  int i = 0, j = 0;
  for (; i < n && k > 1; i++) {
    ans[i][i] = 1;
    k--;
    for (j = i + 1; j < n && k > 1; j++, k -= 2) ans[i][j] = ans[j][i] = 1;
  }
  if (k == 1) {
    if (ans[i][i] == 1)
      ans[i + 1][i + 1] = 1;
    else
      ans[i][i] = 1;
  }
  for (int x = 0; x < n; x++) {
    for (int y = 0; y < n; y++) cout << ans[x][y] << ' ';
    cout << endl;
  }
  return 0;
}
