define $hex {
  line from previous.e go 0.25cm heading 0 \
       then 0.5cm heading 60 \
       then 0.5cm heading 120 \
       then 0.5cm heading 180 \
       then 0.5cm heading 240 \
       then 0.5cm heading 300 \
       then 0.25cm heading 0 color gold close fill goldenrod
}

define $new_longer_row {
line from $1.w go 0.25cm heading 180 invis
$2: line from previous.s go 0.5cm heading 240 \
       then 0.5cm heading 180 \
       then 0.5cm heading 120 \
       then 0.5cm heading 60 \
       then 0.5cm heading 0 color gold close fill goldenrod
}

define $new_shorter_row {
$2: line from $1.s go 0.5cm heading 180 \
       then 0.5cm heading 120 \
       then 0.5cm heading 60 \
       then 0.5cm heading 0 \
       then 0.5cm heading 300 color gold close fill goldenrod
}
[
H0: dot invis

$new_shorter_row(H0, H1); $hex(); $hex(); $hex(); $hex(); $hex();
$new_longer_row(H1, H2); $hex(); $hex(); $hex(); $hex(); $hex(); $hex();
$new_longer_row(H2, H3); $hex(); $hex(); $hex(); $hex();  $hex();$hex(); $hex();
$new_longer_row(H3, H4); $hex(); $hex(); $hex(); $hex(); $hex();$hex(); $hex();  $hex();
$new_longer_row(H4, H5); $hex(); $hex(); $hex(); $hex(); $hex(); $hex();  $hex();$hex(); $hex();
$new_longer_row(H5, H6); $hex(); $hex(); $hex(); $hex(); $hex();  $hex();$hex(); $hex(); $hex();$hex();

$new_shorter_row(H6, H7); $hex(); $hex(); $hex(); $hex(); $hex();  $hex();$hex(); $hex(); $hex()
$new_shorter_row(H7, H8); $hex(); $hex(); $hex(); $hex();$hex();$hex(); $hex(); $hex();
$new_shorter_row(H8, H9); $hex(); $hex(); $hex();$hex(); $hex(); $hex();$hex();
$new_shorter_row(H9, HA); $hex(); $hex(); $hex();$hex(); $hex(); $hex();
$new_shorter_row(HA, HB); $hex(); $hex(); $hex();$hex(); $hex();
]  
"🙂" bold  big big at previous.c