#include <stdio.h>
long n,k,i,j,p,q;
int main(){
    freopen("tablete.in","r",stdin);
    freopen("tablete.out","w",stdout);
    scanf("%ld %ld",&n,&k);
    p=1;q=n*k+1;
    if (k%2==0)
       for (i=1;i<=n;++i){
           for (j=1;j<=k;++j)
               printf("%ld ",p++);
           for (j=k+1;j<=n;++j)
               printf("%ld ",q++);
           printf("\n");
       }
    else
      if (n%2==0)
         for (i=1;i<=n/2;++i){
             for (j=1;j<k;++j)
                 printf("%ld ",p++);
             printf("%ld ",p+1);
             for (j=k+1;j<=n;++j)
                 printf("%ld ",q++);
             printf("\n");
             printf("%ld ",p);
             p+=2;
             for (j=2;j<=k;++j)
                 printf("%ld ",p++);
             for (j=k+1;j<=n;++j)
                 printf("%ld ",q++);
             printf("\n");
         }
      else{
         for (i=1;i<=n/2;++i){
             for (j=1;j<k;++j)
                 printf("%ld ",p++);
             printf("%ld ",p+1);
             if (i==1){j=k+2;printf("%ld ",n*k);q++;}else j=k+1;
             for (;j<=n;++j)
                 printf("%ld ",q++);
             printf("\n");
             printf("%ld ",p);
             p+=2;
             for (j=2;j<=k;++j)
                 printf("%ld ",p++);
             for (j=k+1;j<=n;++j)
                 printf("%ld ",q++);
             printf("\n");
         }
         for (i=1;i<k;++i)printf("%ld ",(n-1)*k+i);
         printf("%ld ",n*k+1);
         for (i=k+1;i<=n;++i)printf("%ld ",q++);
         printf("\n");
      }
return 0;
}