1$3                   00
 2                   11
 3                  ====$1
 4                  .$3//$1
 5                 `o$3//$1:
 6                `+o$3//$1o:
 7               `+oo$3//$1oo:
 8               -+oo$3//$1oo+:
 9             `/:-:+$3//$1ooo+:
10            `/+++++$3//$1+++++:
11           `/++++++$3//$1++++++:
12          `/+++o$2ooo$3//$2ooo$1oooo/`
13$2         $1./$2ooosssso$3//$2osssssso$1+`
14$2        .oossssso-`$3//$1`/ossssss+`
15       -osssssso.  $3//$1  :ssssssso.
16      :osssssss/   $3//$1   osssso+++.
17     /ossssssss/   $3//$1   +ssssooo/-
18   `/ossssso+/:-   $3//$1   -:/+osssso+-
19  `+sso+:-`        $3//$1       `.-/+oso:
20 `++:.             $3//$1            `-/+/
21 .`                $3/$1                `/