Spinning-Twisting  { ; Fractal of the day, 03-01-00
                     ; time=0:20:52.30 on a p200, SF5
  reset=2000 type=formula 
  formulaname=MandelbrotMix4 function=ident passes=1
  center-mag=-1.98612884271879700/+2.69685233983904500\
  /5.028579e+009/1/-145 params=-0.01/2.5/10/-0.7071/0/0
  float=y maxiter=12000 bailout=25 inside=0 logmap=245
  symmetry=none periodicity=10
  colors=000T0UT0TV1UX2Z<3>d6jf7lh8n<2>nBt<3>gKkeMidKf\
  bRd<2>YXZXKXVaU<3>PiMNkKUnHcpFmrDmtBrv9rx7mvC<3>XoU<\
  3>kgkUfooRSoB5r9K<2>r5mm7wm8wm9wKUwKUwLUwLKwMcw1UwMU\
  weEmyEkxFgwFgJZX<3>7ni4rl1vo<5>SZZWVX_RUdNRkJOlFMqBJ\
  uAGyFE<3>zZMzcOzcPz5R<8>z5gz5hz5j<3>z5q<9>pdUohRnkP<\
  3>kyG<3>jlNjiPjfRshX<3>KRECNzBczBPzBQBmQBmRBmSCBTCBT\
  CBwCBzCBmCBWzBXzBYzBYDmZDz_Em`EB`E<2>BbE<3>iiJrrKzwL\
  wrKuiK<7>d`Jb_J_ZI<2>UWISVIPVKQUIR_HSeGQiE<3>VlFWlFX\
  mF<8>euGfvGgxGhyGizGjzGkzG<11>mzWnzXnzY<2>nzanzbpzf<\
  4>jzSizQgzN<3>czBez5<8>Gz`EzcBzg<3>0zt5zs9zr
  }

frm:MandelbrotMix4 {; Jim Muth
a=real(p1), b=imag(p1), d=real(p2), f=imag(p2), g=1/f,
h=1/d, j=1/(f-b), z=(-a*b*g*h)^j, k=real(p3)+1,
l=imag(p3)+100, c=fn1(pixel):
z=k*((a*(z^b))+(d*(z^f)))+c,
|z| < l
}