RES
1b:x-drib-PEN-x:x
2b:a-dgal-HEX-1:5
3b:b-drib-PEN-1:4
4b:a-dgal-HEX-1:5
LIN
1:1o(2+1)2d
2:2o(4+1)3d
3:3o(2+1)4d