#include<fstream>
using namespace std;
ifstream f("tablete.in");
ofstream g("tablete.out");
int n,k,i,nr,j,a[1001][1001];
int main ()
{f>>n>>k;int nr=0;
    if(k%2)
    {if(n%2)a[i][k+1]=-1;
        for(i=1;i<=n;++i)
            if(i%2)a[i][k]=1;
            else(a[i][1]=-1);}
    for(i=1;i<=n;++i)
        for(j=1;j<=k;++j)++nr,a[i][j]+=nr;
        for(i=1;i<=n;++i)
            for(j=k+1;j<=n;++j)++nr,a[i][j]+=nr;
        for (i=1;i<=n;++i)
        {for(j=1;j<=n;++j)g<<a[i][j]<<" ";
		g<<"\n";}
g.close();return 0;}