#include <fstream>
#include <bitset>
const int maxN=1e3+1;
using namespace std;

int n,k;

bitset<maxN*maxN> used;
int sol[maxN][maxN];

int main()
{
    ifstream f("tablete.in");
    ofstream g("tablete.out");

    f>>n>>k;

    if(k%2==0){
        int val=1;
        for(int i=1;i<=n;i++){
            for(int j=1;j<=n;j++){
                g<<val<<" ";
                val++;
            }
            g<<"\n";
        }
    }
    else{
        for(int i=1;i<=n;i++){
            sol[i][k]=i*k+i%2;
            used[i*k+i%2]=true;
        }

        int val=1;
        for(int i=1;i<=n;i++)
        {
            int idx=1;
            while(idx<k)
            {
                if(!used[val]){
                    sol[i][idx]=val;
                    used[val]=true;
                    idx++;
                }
                val++;
            }
        }

        for(int i=1;i<=n;i++)
        {
            int idx=k+1;
            while(idx<=n)
            {
                if(!used[val]){
                    sol[i][idx]=val;
                    used[val]=true;
                    idx++;
                }
                val++;
            }
        }

        for(int i=1;i<=n;i++){
            for(int j=1;j<=n;j++)
                g<<sol[i][j]<<" ";
            g<<"\n";
        }
    }

    return 0;
}