#include<bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i=0;i<(n);i++)
int main(){
	int N,K;
	cin>>N>>K;
	vector<vector<int>> A(N,vector<int>(N));
	if(K==0){cout<<-1<<endl;return 0;}
	rep(i,N)rep(j,N)A[i][j]=i*N+j;
	K=N*N-K;
	swap(A[0][0],A[K/N][K%N]);
	rep(i,N)rep(j,N)cout<<A[i][j]<<" \n"[j==N-1];
}