# IFS code for a permuted Sierpinski triangle
#
# w     a     b     c     d     e     f     p
1   0.0  -0.5   0.5   0.0   0.5   0.0  0.3333
2  -0.5   0.0   0.0   0.5   1.0   0.0  0.3333
3   0.5   0.0   0.0  -0.5   0.0   1.0  0.3333
window 0 0 1 1