 &colvar
      anchor_position = 5.0,15.0,15.0,25.0
      anchor_strength = 0.0,0.0

      cv_type = 'COM_DISTANCE'

      cv_ni = 7
      cv_i = 1, 5, 8, 0, 131, 133, 136
 /

 &colvar
      anchor_position = 5.0,15.0,15.0,25.0
      anchor_strength = 0.0,0.0

      cv_type = 'COM_DISTANCE_AXIS'

      cv_ni = 7
      cv_i = 1, 5, 8, 0, 131, 133, 136

      cv_nr = 3
      cv_r = 1, 1, 1
 /

 &colvar
      anchor_position = 5.0,15.0,15.0,25.0
      anchor_strength = 0.0,0.0

      cv_type = 'COM_DISTANCE_AXIS'

      cv_ni = 7
      cv_i = 1, 5, 8, 0, 131, 133, 136

      cv_nr = 3
      cv_r = 0, 0, 1
 /
