,p1,p2,radius 0,-8.561455,-inf,0.5 1,-9.20018,-10.214993,2.5 2,-9.776636,-10.560558,4.5 3,-10.164398,-10.845752,6.5 4,-10.458405,-11.078268,8.5 5,-10.710967,-11.28014,10.5 6,-10.919655,-11.449498,12.5 7,-11.104261,-11.608751,14.5 8,-11.267734,-11.753162,16.5 9,-11.419565,-11.882874,18.5 10,-11.552162,-12.000256,20.5