! Note: x_inside should be negative.
! Note: First s_position should be 0.
! Note: Last s_position will be changed to the length of the ring 
! so you don't have to set this number correctly.

!s_position   x_inside   x_outside
  0.0          -0.045     0.045
  9.0036       -0.045     0.045
 14.1827       -0.045     14.20
 14.1827       -0.045     0.045
 768.4363      -0.045     0.045