R1/R2	301	291	281	271	261	251
301	76.8	77.2125	77.5325	77.695	77.5375	75.9
291	76.7525	77.16	77.51	77.59	75.6	69.2125
281	76.8925	77.2525	77.475	75.8025	68.81	15.425
271	76.8025	77.01	75.4375	68.905	15.3775	7.91
261	76.795	75.205	68.6925	15.5575	7.8	4.1775
251	75.1725	68.6725	15.7825	7.8975	4.175	1.4175