RES
1b:x-lgal-HEX-x:x
2r:r1
3b:b-dgal-HEX-1:5
4s:anhydro
LIN
1:1o(4+1)2n
2:2n(4+1)3d
3:1d(3+1)4n
4:1o(6+1)4n
REP
REP1:6o(4+1)5d=-1--1
RES
5b:b-dgal-HEX-1:5
6b:a-lgal-HEX-1:5
7s:anhydro
LIN
5:5o(3+1)6d
6:6d(3+1)7n
7:6o(6+1)7n