Experimentation

 noise :  int ran = 0

 noise :  int ran =1

 noise :  int ran =2

 noise :  int ran =3

 noise :  int ran =4

 noise :  int ran =5

 noise :  int ran =6

 noise :  int ran =7

 noise :  int ran =8

noise :  int ran =9

noise :  int ran =10

 noise :  int ran =11

 noise :  int ran =12

 noise :  int ran =13

 noise :  int ran =14

 noise :  int ran =15

 noise :  int ran =20

 noise :  int ran =25

 noise :  int ran = 30

 noise :  int ran =35

noise :  int ran = 40

 noise :  int ran = 90