python -c "
from decimal import Decimal as D
from decimal import *
getcontext().prec=999
a=D(1)
b=D(1)/D(2).sqrt()
t=D(0.25)
p=D(1)
for i in range(999):
e=(a+b)/D(2);f=(a*b).sqrt();g=t-p*(a-e)**2;h=D(2)*p;a=e;b=f;t=g;p=h
print((a+b)**2/(D(4)*t))" | cowsay | textimg -s
convert -size 283x283 xc:#FF0000 b.png; for i in {0..8}; do convert -size 200x200 xc:#FF0000 -rotate -$((i*10)) i$i.png; convert b.png i$i.png -gravity northeast -composite o$i.png; done; convert -layers optimize -loop 0 -delay 10 /o*.png /images/a.gif