no_digested

a: drift, l = 1
a2: drift, l = 2
b: sbend, l = 0.1, angle = pi, ref_tilt = 0.1
pf: patch, flexible = T
fid: fiducial, origin_ele = ma, dx_origin = 1, dtheta_origin = 0.01
ma: patch

ml2: line[multipass] = (a, b, a2, b)

b1: line = (a, ma)
b1[geometry] = open
b1[e_tot] = 1e9
b1[beta_a] =  10
b1[beta_b] =  10
b1[s] = 3

b2: line = (ml2, fid, pf, ml2)
b2[geometry] = open
b2[e_tot] = 1e9
b2[beta_a] =  10
b2[beta_b] =  10
b2[s]  = 2
b2[ref_time] = 1e-9
b2[cmat_11] = 0.01

use, b1, b2

expand_lattice

!1: marker, superimpose, offset = 0.0, ref = pa
!2: marker, superimpose, offset = 0.1, ref = pa