-1=if (group.getLength()<=12) return 0;else if (group.getLength()<=18) return 0.25;else if (group.getLength()<=28.25) return 0.25;else if (group.getLength()<=38) return 0.30;else return 0;if (group.getLength()<=4.9) return 0.0;else if (group.getLength()<=7)return  0.06;else if (group.getLength()<=9.3)return  0.69;else if (group.getLength()<=10.2)return  0.05;else return  0;if (group.getLength()<=16.2) return 0.0;else if (group.getLength()<=19.3) return 0.30;else if (group.getLength()<=23) return 0.22;else if (group.getLength()<=30) return 0.20;else return 0;
1=if (group.getLength()<=12) return 1;else if (group.getLength()<=18) return 0.73;else if (group.getLength()<=28.25) return 0.37;else if (group.getLength()<=38) return 0.45;else return 0;if (group.getLength()<=4.9) return 0.0;else if (group.getLength()<=7)return  0.09;else if (group.getLength()<=9.3)return  0.99;else if (group.getLength()<=10.2)return  0.07;else return  0;if (group.getLength()<=16.2) return 0.0;else if (group.getLength()<=19.3) return 0.456;else if (group.getLength()<=23) return 0.52;else if (group.getLength()<=30) return 0.30;else return 0;