#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using namespace atcoder;
using ll = long long;
constexpr ll mod = 1e9 + 7;
constexpr ll INF = (1LL << 62) - (1LL << 31) - 1;

#define REP(i, init, n) for(int i = (int)(init); i < (int)(n); i++)
#define RREP(i, init, n) for(int i = (int)(init); i >= (int)(n); i--)
#define All(A) A.begin(), A.end()
#define rAll(A) A.rbegin(), A.rend()

#define vi vector<int>
#define vl vector<long>
#define vvi vector<vector<int>>
#define vvl vector<vector<long>>
#define pint pair<int, int>
#define plong pair<long, long>

int N, K;

void solve() {
    if(K == 0) {
        cout << -1 << endl;
        return;
    }
    REP(i, 0, N) {
        REP(j, 0, N) {
            int num = (i * N + j - K + N * N) % (N * N) + 1;
            cout << num << " ";
        }
        cout << endl;
    }
}

int main() {
    cin.tie(nullptr);
    ios::sync_with_stdio(false);
    
    cin >> N >> K;
    solve();
}