R1/R2	281	271	261	251	241	231
321	45.267	48.145	48.526	50.251	51.938	47.851
311	46.265	48.622	48.588	50.592	48.141	38.517
301	46.169	48.106	48.429	46.203	38.225	9.118
291	46.331	48.097	44.263	36.637	9.571	6.687
281	47.402	45.379	36.748	8.333	7.055	4.077
271	44.585	37.39	8.145	5.509	3.974	1.492