1$1    ########################$2($3ooo
 2$1    ########################$2($3ooo
 3$1###$2($3ooo                  $1###$2($3ooo
 4$1###$2($3ooo                  $1###$2($3ooo
 5$1###$2($3ooo                  $1###$2($3ooo
 6$1###$2($3ooo                  $1###$2($3ooo
 7$1###$2($3ooo                  $1###$2($3ooo
 8$1###$2($3ooo                  $1###$2($3ooo
 9$1###$2($3ooo           $1##$3o    $2(((($3ooo
10$1###$2($3ooo          o$2(($1###   $3oooooo
11$1###$2($3ooo           oo$2(($1###$3o
12$1###$2($3ooo             ooo$2(($1###
13$1################$2($3oo    oo$2(((($3o
14$2((((((((((((((((($3ooo     ooooo
15  oooooooooooooooooo        o