>rad 3.688080, r 3.023527
>rad 4.473478, r 3.826855
>rad 5.258876, r 4.843623
>rad 6.044274, r 6.130537
>rad 6.829673, r 7.759377
>rad 7.615071, r 9.820984
>rad 8.400469, r 12.430345
>rad 9.185867, r 15.732997
>rad 9.971266, r 19.913139
>rad 10.756663, r 25.203907
>rad 11.542062, r 31.900402
>rad 12.327460, r 40.376106
>rad 13.112858, r 51.103729
>rad 13.898255, r 64.681610
>rad 14.683655, r 81.867043
>rad 15.469052, r 103.618523
>rad 16.254450, r 131.149139
>rad 17.039848, r 165.994507
>rad 17.825247, r 210.098038
>rad 18.610645, r 265.919525
>rad 19.396044, r 336.572418

>rad 2.655364, r 2.218007
>rad 3.440762, r 2.807316
>rad 4.226161, r 3.553199
>rad 5.011559, r 4.497258
>rad 5.796957, r 5.692145
>rad 6.582355, r 7.204507
>rad 7.367754, r 9.118690
>rad 8.153152, r 11.541460
>rad 8.938550, r 14.607938
>rad 9.723948, r 18.489159
>rad 10.509347, r 23.401594
>rad 11.294744, r 29.619219
>rad 12.080143, r 37.488831
>rad 12.865541, r 47.449326
>rad 13.650939, r 60.056278
>rad 14.436337, r 76.012787
>rad 15.221735, r 96.208786
>rad 16.007133, r 121.770760
>rad 16.792532, r 154.124359
>rad 17.577930, r 195.074066
>rad 18.363327, r 246.903702
>rad 19.148726, r 312.504211
>rad 19.934124, r 395.534302