#include <fstream>

using namespace std;
ifstream cin("tablete.in");
ofstream cout("tablete.out");
int n,k,i,j,a[1005][1005];
int main()
{
    cin>>n>>k;
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++) a[i][j]=n*(i-1)+j;
    if(k%2==0)
    {
        for(i=1;i<=n;i++)
        for(j=1;j<=k;j++)
            a[i][j]=n*(i-1)+j;
    }
    else if(k%2==1)
    {
        if(n%2==0)
        {
            for(i=1;i<=n;i++)
                for(j=1;j<=k;j++)
            {
                if(i%2==1&&j==k) a[i][j+1]=n*(i-1)+j+2;
                else if(i%2==0&&j==1) a[i][j]=n*(i-2)+k+1;
                else a[i][j]=n*(i-1)+j;
            }
        }
        else if(n%2==1)
        {
            for(i=1;i<=n-1;i++)
                for(j=1;j<=k;j++)
            {
                if(i%2==1&&j==k) a[i][j]=n*(i-1)+k+1;
                else if(i%2==0&&j==1) a[i][j]=n*(i-2)+k;
                else a[i][j]=n*(i-1)+j;
            }
            for(j=1;j<=k-1;j++)
                a[n][j]=n*(i-1)+j;
            a[n][k]=n*k+1;
            a[1][n+1]=n*k;
        }
    }
    for(i=1;i<=n;i++)
    {for(j=1;j<=k+1;j++)
        if(a[i][j]!=0) cout<<a[i][j]<<' ';
    cout<<'\n';
    }
    return 0;
}