4 {plotpoints 1} {xradius 30}
5 {linecolors {red orange black}}
10 { xversusy { 1.0000000000 3.0000000000 5.0000000000 }
11 { 2.0000000000 4.0000000000 6.0000000000 }
15 { xversusy { 0.0000000000 1.0000000000 2.0000000000 }
16 { 2.0000000000 7.0000000000 6.0000000000 }