no_digested
parameter[e_tot] = 1e9
parameter[n_part] = 1e10
parameter[geometry] = closed
beginning[beta_a] = 10
beginning[beta_b] = 10

q1: quad, wall = {thickness = 0.1, 
    superimpose = F, ele_anchor_pt = center, 
    section = {type = opaque, s = 1, x0 = 1, y0 = 2, dr_ds = 10, 
      v(1) = {11, 12, 130, 140}, 
      v(2) = {1, 2, 30, 40, 5}, 
      v(3) = {-21, 22} &
    },
    section = {s = 2, v(1) = {1,1}},
    section = {s = 5, v(1) = {1,1}} &
}, l = 10 

q2: quad, l = 10, wall = {
    section = {s = 2, v(1) = {1,1}},
    section = {s = 5, v(1) = {1,1}} &
  }


q3: q2

m: marker, superimpose, ref = q2, wall = {superimpose = T,
    section = {s = -1, v(1) = {1,1}},
    section = {s = 1, v(1) = {1,1}} &
  }

m2: marker, wall = {superimpose = T,
    section = {s = -1, v(1) = {1,1}},
    section = {s = 1, v(1) = {1,1}} &
  }

lw: line = (q1)
use, lw

l1: line[multipass] = (q1, q2)
l2: line = (l1, l1, m2)
l4: line = (qq)
l4[geometry] = open
l4[beta_a] = 1
l4[beta_b] = 1
!use, l2, l3, l4

l3: line = (bnd, a, b, c)
l3[e_tot] = 1e9
l3[geometry] = open
l3[beta_a] = 1
l3[beta_b] = 1


qq: quadrupole, wall = {
      section = {s = 1, x0 = 1, y0 = 2,
        v(1) = {1, 1, 20}},
      section = {s = 11, x0 = 5, y0 = -2,
        v(1) = {20, 20}}} , l = 20

mq: marker, superimpose, ref = qq

a: marker, wall = {
      section = {s = 0, x0 = 1,
        v(1) = {10, 10}}}

c: marker, wall = {
      section = {s = 0, x0 = -2,
        v(1) = {20, 20}}}

b: patch, z_offset = 10 


bnd: sbend, l = 0.1, angle = pi, ref_tilt = 0.3
dft: drift, l = 1