Tomomichi Hagiwara
R(1)
c("$ r $")
p
a(label-1)
R(1)
b(2,1,"$ G $")
c("stable")
r(1)
k(label-2)
R(1)
c("$ y $")
g(label-2)
d(1.5)
l(label-1)
U(label-1)
m
leads to
The basic structure of the code is emphasized in color; R/r means right (arrow/line), b means box, d means down, and so on.