rpa_layers/input/data.layers

 &LAYERS_PARM01
  layers_G=-0.25,0.25,0.75,1.25,1.75,2.25,2.75,3.25,3.75,
   4.25,4.75,5.25,5.75,6.25,6.75,7.25,7.75,8.25,8.75,
   9.25,9.75,10.25
 &
# Note: Some systems use & as the
# namelist terminator. Other systems
# use a / character.
1	rpa	1.1	&LAYERS_PARM01
2			layers_G=-0.25,0.25,0.75,1.25,1.75,2.25,2.75,3.25,3.75,
3			4.25,4.75,5.25,5.75,6.25,6.75,7.25,7.75,8.25,8.75,
4			9.25,9.75,10.25
5			&
6			# Note: Some systems use & as the
7			# namelist terminator. Other systems
8			# use a / character.