R1/R2 301 291 281 271 261 251 301 90.155625 90.278125 90.35 90.363125 90.361875 60.109375 291 90.230625 90.34875 90.429375 90.42375 60.105625 47.844375 281 90.21375 90.325625 90.384375 60.07 47.79375 43.004375 271 90.17 90.264375 60.061875 47.759375 42.85 5.228125 261 90.24625 60.048125 47.82 42.970625 5.189375 1.3 251 60.088125 47.904375 42.91 5.23625 1.268125 0.943125