#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using namespace atcoder;
#define ll long long
#define rep(i,a,b) for(int i=(a);i<(b);i++)
#define repl(i,a,b) for(ll i=(a);i<(b);i++)
#define all(a) (a).begin(),(a).end()
#define rall(a) (a).rbegin(),(a).rend()

template <typename T> bool chmin(T &a,T b){if(a>b){a=b;return true;} return false;}
template <typename T> bool chmax(T &a,T b){if(a<b){a=b;return true;} return false;}


void solve(){
  int n,k; cin >> n >> k;
  if(k == 0){
    cout << "-1\n";
    return;
  }
  vector a(n,vector<int>(n));
  int now=n*n-k+1;
  int x=0,y=0;
  while(now<=n*n){
    a[x][y]=now++;
    if(x == n-1){
      x=0;
      y++;
    }
    else x++;
  }
  now=1;
  while(y<n){
    a[x][y]=now++;
    if(x == n-1){
      x=0;
      y++;
    }
    else x++;
  }

  rep(i,0,n){
    rep(j,0,n) cout << a[i][j] << " "; cout << "\n";
  }

  return;
}
  
int main(){
  ios::sync_with_stdio(false);
  cin.tie(nullptr);

  int T=1;
  // cin >> T;
  rep(_,0,T){
    solve();
  }
}