RES
1b:x-dgal-HEX-x:x|6:a
2r:r1
3b:b-lthr-HEX-1:5|4,5:enx|6:a
LIN
1:1o(4+1)2n
2:2n(4+1)3d
REP
REP1:4o(4+1)4d=1-2
RES
4b:a-dgal-HEX-1:5|6:a