#include <bits/stdc++.h>
#pragma GCC optimize("O3")
using namespace std;
template <class c>
struct rge {
  c b, e;
};
template <class c>
rge<c> range(c i, c j) {
  return rge<c>{i, j};
}
template <class c>
auto dud(c* x) -> decltype(cerr << *x, 0);
template <class c>
char dud(...);
struct debug {
  template <class c>
  debug& operator<<(const c&) {
    return *this;
  }
};
const long long N = 1e5 + 5;
int32_t main() {
  ios_base::sync_with_stdio(false);
  cin.tie(0);
  cout.tie(0);
  long long n, k;
  cin >> n >> k;
  vector<vector<long long> > ans(n, vector<long long>(n));
  for (long long i = 0; i < n; i++) {
    for (long long j = 0; j < n; j++) {
      if (i == j && ans[i][j] == 0) {
        if (k > 0) ans[i][j] = 1, k--;
      } else if (ans[i][j] == 0 && ans[j][i] == 0 && k > 1) {
        ans[i][j] = 1;
        ans[j][i] = 1;
        k -= 2;
      }
    }
  }
  if (k != 0)
    cout << -1 << "\n";
  else
    for (long long i = 0; i < n; i++, cout << "\n")
      for (long long j = 0; j < n; j++) cout << ans[i][j] << " ";
  return 0;
}
