RESIDUE	SER
START	N	1076	877
DRAW	H11	1048	906
MOVE	N	1076	877
DRAW	CA	985	863
DRAW	CB	842	896
DRAW	OG	797	858
DRAW	H12	694	889
MOVE	CB	842	896
DRAW	H13	831	1003
MOVE	CB	842	896
DRAW	H21	776	847
MOVE	CA	985	863
DRAW	H14	1014	928
MOVE	CA	985	863
DRAW	C	972	715
DRAW	O	922	677
END	C	972	715
