no_digested
beginning[beta_a] = 10
beginning[beta_b] = 10
parameter[e_tot] = 1e9
parameter[geometry] = open

a: quadrupole, l = 1, field_overlaps = b, field_overlaps = c, field_overlaps = yy
b: quadrupole, l = 1
c: quadrupole, l = 1

dd: drift

xx: quadrupole, l = 1, field_overlaps = yy
yy: quadrupole, l = 1, field_overlaps = xx

tt1: quad, l = 1, field_overlaps = tt2
tt2: quad, l = 1, field_overlaps = tt1

ma: marker, superimpose, ref = a
mb: marker, superimpose, ref = b

d: drift, l = 10

z1: line[multipass] = (a, b, c)

z2: line = (dd, z1, d, z1)
z2[beta_a] = 10
z2[beta_b] = 10
z2[geometry] = open

ylin: line = (dd, yy)
ylin[beta_a] = 10
ylin[beta_b] = 10
ylin[geometry] = open

use, xlin, ylin, z2

gg: girder = {z1}

xlin: line = (dd&
, xx, tt1, tt2)

xlin[beta_a] = 10
xlin[beta_b] = 10
xlin[geometry] = open