#include <cstdio>

int v[1001][1001];

int main()
{
    int n,i,j,k,c=0;
    freopen("tablete.in","r",stdin);
    freopen("tablete.out","w",stdout);
    scanf("%d%d",&n,&k);
    if (k%2==0)
    {
        for (i=1;i<=n;++i)
            for (j=1;j<=k;++j)
            {
                ++c;
                v[i][j]=c;
            }
        for (i=1;i<=n;++i)
            for (j=k+1;j<=n;++j)
            {
                ++c;
                v[i][j]=c;
            }
    }
    else if (n%2==0)
    {
        for (i=1;i<=n/2;++i)
        {
            for (j=1;j<k;++j)
            {
                ++c;
                v[2*i-1][j]=c;
            }
            c+=2;
            v[2*i][1]=c-1;
            v[2*i-1][k]=c;
            for (j=2;j<=k;++j)
            {
                ++c;
                v[2*i][j]=c;
            }
        }
        for (i=1;i<=n;++i)
            for (j=k+1;j<=n;++j)
            {
                ++c;
                v[i][j]=c;
            }
    }
    else
    {
        for (i=1;i<=n/2;++i)
        {
            for (j=1;j<k;++j)
            {
                ++c;
                v[2*i-1][j]=c;
            }
            c+=2;
            v[2*i][1]=c-1;
            v[2*i-1][k]=c;
            for (j=2;j<=k;++j)
            {
                ++c;
                v[2*i][j]=c;
            }
        }
        for (i=1;i<k;++i)
        {
            ++c;
            v[n][i]=c;
        }
        c+=2;
        v[n][k]=c;
        v[1][k+1]=c-1;
        for (i=k+2;i<=n;++i)
        {
            ++c;
            v[1][i]=c;
        }
        for (i=2;i<=n;++i)
            for (j=k+1;j<=n;++j)
            {
                ++c;
                v[i][j]=c;
            }
    }
    for (i=1;i<=n;++i)
    {
        for (j=1;j<=n;++j)
            printf("%d ",v[i][j]);
        printf("\n");
    }
    return 0;
}