-1=if (group.getLength()<=14.2) return 0.0;else if (group.getLength()<=17.3) return 0.38;else if (group.getLength()<=21) return 0.37;else if (group.getLength()<=28) return 0.25;else return 0;
1=if (group.getLength()<=18.2) return 0.0;else if (group.getLength()<=22.3) return 0.38;else if (group.getLength()<=25) return 0.37;else if (group.getLength()<=32) return 0.25;else return 0;
0=if (group.getLength()<=16.2) return 0.0;else if (group.getLength()<=19.3) return 0.38;else if (group.getLength()<=23) return 0.37;else if (group.getLength()<=30) return 0.25;else return 0;
