
The IFS equations are as follows
yn+1 = c xn + d yn + f
set 1 set 2 set 3 set 4
a 0.0100 -0.0100 0.4200 0.4200
b 0.0000 0.0000 -0.4200 0.4200
c 0.0000 0.0000 0.4200 -0.4200
d 0.4500 -0.4500 0.4200 0.4200
e 0.0000 0.0000 0.0000 0.0000
f 0.0000 0.4000 0.4000 0.4000