#include<stdio.h>
FILE *f=fopen("combinari.in","r"),
     *g=fopen("combinari.out","w"); 
int n,i,j,x[1000],t,v,k;
void pr()
{ int i;
  for(i=1;i<=t;++i) fprintf(g,"%d ",x[i]);
  fprintf(g,"\n");
}
int main()
{ fscanf(f,"%d %d",&n,&t);
  k=1;
  while(k) if(k>t) pr(),--k;
           else if(v<=n) { x[k]=++v;
                           ++k;
                         }
                else --k,--v;
  fclose(f);
  fclose(g);
  return 0;
}