#include <bits/stdc++.h>
using namespace std;
long long MAX = 1000000000;
long long MOD = 1000000007;
int main() {
  ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);
  long long test = 1;
  while (test--) {
    long long n;
    cin >> n;
    long long k;
    cin >> k;
    ;
    long long a[110][110] = {0};
    for (long long i = (0); i < (n); i++) {
      for (long long j = (i); j < (n); j++) {
        if (i == j && k >= 1) {
          a[i][j] = 1;
          k -= 1;
          continue;
        } else if (k >= 2) {
          k -= 2;
          a[i][j] = 1;
          a[j][i] = 1;
        }
        if (k == 0) break;
      }
    }
    if (k) {
      cout << -1;
      return 0;
    }
    for (long long i = (0); i < (n); i++) {
      for (long long j = (0); j < (n); j++) {
        cout << a[i][j] << " ";
      }
      cout << endl;
    }
  }
}
