1                                $2..,
 2                    ....,,:;+ccllll
 3$1      ...,,+:;  $2cllllllllllllllllll
 4$1,cclllllllllll  $2lllllllllllllllllll
 5$1llllllllllllll  $2lllllllllllllllllll
 6$1llllllllllllll  $2lllllllllllllllllll
 7$1llllllllllllll  $2lllllllllllllllllll
 8$1llllllllllllll  $2lllllllllllllllllll
 9$1llllllllllllll  $2lllllllllllllllllll
10
11$3llllllllllllll  $4lllllllllllllllllll
12$3llllllllllllll  $4lllllllllllllllllll
13$3llllllllllllll  $4lllllllllllllllllll
14$3llllllllllllll  $4lllllllllllllllllll
15$3llllllllllllll  $4lllllllllllllllllll
16$3`'ccllllllllll  $4lllllllllllllllllll
17$3       `' \*::  $4:ccllllllllllllllll
18                       ````''*::cll
19                                 ``