no_digested
beginning[beta_a] = 10
beginning[beta_b] = 10

parameter[particle] = electron
parameter[p0c] = +1e12

p0: pipe, l = 1
p1: pipe, l = 1
f12: fork, to_line = l2
s1: sextupole, l = 1
q2: quad, l = 1
q3: q2
q4: q2
m1: marker, superimpose, ref = p1
m2: marker, superimpose, ref = q2

l0: line = (p0)
l0[geometry] = open

l1: line = (p1, f12)
l1[geometry] = open
l1[beta_a] = 11
l1[beta_b] = 11

l2: line = (q2, q3, q4)
l2[geometry] = open

l3: line = (s1)
l3[geometry] = open
l3[beta_a] = 13
l3[beta_b] = 13

use, l0, l1, l3