-1=if (group.getLength()<=13.5) return 0.0;else if (group.getLength()<=16.7) return 0.31;else if (group.getLength()<=19.9) return 0.78;else if (group.getLength()<=29.5) return 1;else return 1;
1=if (group.getLength()<=17.5) return 0.0;else if (group.getLength()<=20.7) return 0.31;else if (group.getLength()<=23.9) return 0.78;else if (group.getLength()<=33.5) return 1;else return 1;
0=if (group.getLength()<=15.5) return 0.0;else if (group.getLength()<=18.7) return 0.31;else if (group.getLength()<=21.9) return 0.78;else if (group.getLength()<=31.5) return 1;else return 1;