begin_comment
***********************************************************
  This is the default mstm input file for v.3.0. 
  The run is for a 7-sphere cluster of identical spheres.   The positions
  are embedded in the input file.   
***********************************************************
end_comment
number_spheres
7
sphere_position_file
at_bottom
output_file
mstm_out.dat
run_print_file

length_scale_factor
1.0d0
fixed_or_random_orientation
1
min_scattering_angle_deg
0.0d0
max_scattering_angle_deg
180.d0
delta_scattering_angle_deg
1

sphere_sizes_and_positions
1.0d0  0.0d0  0.0d0      0.0d0 2.2d0  0.0d0
1.0d0  2.0d0  0.0d0      0.0d0 2.2d0  0.0d0
1.0d0 -2.0d0  0.0d0      0.0d0 2.2d0  0.0d0
1.0d0  1.0d0  1.73206d0  0.0d0 2.2d0  0.0d0
1.0d0 -1.0d0  1.73206d0  0.0d0 2.2d0  0.0d0
1.0d0  1.0d0 -1.73206d0  0.0d0 2.2d0  0.0d0
1.0d0 -1.0d0 -1.73206d0  0.0d0 2.2d0  0.0d0

end_of_options