#include<stdio.h>

int v[1002][1002];

int main()
{
    freopen("tablete.in","r",stdin);
    freopen("tablete.out","w",stdout);
    int n,k,i,j,nr=0;
    scanf("%d%d",&n,&k);
    if(k%2==0)
    {
        for(i=1;i<=n;++i)
            for(j=1;j<=k;++j)
                v[i][j]=++nr;
        for(i=1;i<=n;++i)
            for(j=k+1;j<=n;++j)
                v[i][j]=++nr;
    }
    else
    {
        for(i=1;i<=n;++i)
        {
            if(i%2==1)
            {
                nr=k*(i-1);
                for(j=1;j<k;++j)
                    v[i][j]=++nr;
                v[i][k]=nr+2;
            }
            else
            {
                nr=k*(i-1);
                v[i][1]=nr;
                v[i][2]=nr+2;
                nr+=2;
                for(j=3;j<=k;++j)
                    v[i][j]=++nr;
            }
        }
        if(n%2==0)
            for(i=1;i<=n;++i)
                for(j=k+1;j<=n;++j)
                    v[i][j]=++nr;
        else
        {
            nr=v[n][k];
            v[1][k+1]=nr-1;
            for(j=k+2;j<=n;++j)
                v[1][j]=++nr;
            for(i=2;i<=n;++i)
                for(j=k+1;j<=n;++j)
                    v[i][j]=++nr;
        }
    }
    /////////////////////////
    for(i=1;i<=n;++i)
    {
        for(j=1;j<=n;++j)
            printf("%d ",v[i][j]);
        printf("\n");
    }
    return 0;
}