RES
1r:r1
REP
REP1:2o(4+1)2d=-1--1
RES
2b:b-dxyl-PEN-1:5
3b:a-lara-PEN-1:4
4b:a-lara-PEN-1:4
LIN
1:2o(2+1)3d
2:2o(3+1)4d