to khantheu
cs setpencolor 4
repeat 30 [repeat 6[fd 30 rt 60] rt 12]
pu bk 60 rt 90 bk 120
setpencolor 1
label [Chuc mung sinh nhat me]
end
to khantheu
cs setpencolor 4
repeat 30 [repeat 6[fd 30 rt 60] rt 12]
pu bk 60 rt 90 bk 120
setpencolor 1
label [Chuc mung sinh nhat me]
end