RES
1b:b-dara-HEX-2:5|2:keto
2r:r1
3b:b-dara-HEX-2:5|2:keto
LIN
1:1o(1+2)2n
2:2n(1+2)3d
3:3o(1+2)1d
REP
REP1:4o(1+2)4d=-1--1
RES
4b:b-dara-HEX-2:5|2:keto