-1.0-0.8-0.6-0.4-0.20.00.20.40.60.81.0-1.0-0.8-0.6-0.4-0.20.00.20.40.60.81.00pi/6pi/4pi/3pi/22pi/33pi/45pi/6pi7pi/65pi/44pi/33pi/27pi/45pi/311pi/62pi