#include<cstdio>
int main(){
    int n,k,i,j,par,max,nr1,nr2,nr;
    freopen("tablete.in","r",stdin);
    freopen("tablete.out","w",stdout);
    scanf("%d%d",&n,&k);
    nr=1;
    if(k%2==0&&n%2==0)
        for(i=1;i<=n;i++)
        {
            for(j=1;j<=n;j++)
            {
                printf("%d ",nr);
                nr++;
            }
        printf("\n");
        }
    else
        if(n%2==1&&k%2==0)
        {
            nr2=(k-1)*n+1;
            nr1=1;
            for(i=1;i<=n;i++)
            {
                for(j=1;j<=n;j++)
                    if(j<=k-1)
                    {
                        printf("%d ",nr1);
                        nr1++;
                    }
                    else
                    {
                        printf("%d ",nr2);
                        nr2++;
                    }
                printf("\n");
            }
        }


    return 0;
}