n,i,j,s;
char c[3];
main(){
  scanf("%d",&n);
  for(i=1;i<n;++i){
    for(j=1;j<n;++j){
      s=i*j;
      c[1]=s%n+(s%n>9?55:48);
      s/=n;
      c[0]=s?s%n+(s%n>9?55:48):32;
      printf(" %s",c);
    }
    puts("");
  }
}