I made the alternating blue areas by zooming in on left, right, left, and then right side minibrots.

Here is a link to an image:

The Fractint compatible PAR file for the image is:

Alternating_Seas { ; Exported from Fracton.

 reset=2004 type=formula formulafile=fracton.frm

 formulaname=F_20121121_1433 passes=1 float=y

 center-mag=-0.6476413187257524/-1.455197400109031e\

 -09/9523809.642857142/1/0/0

 params=1/1/4/4/-1/0/1/0/0/0 maxiter=2000 inside=0

 periodicity=6

 colors=CCCNakK_lGYmHZlI_jI_iJ`hKafLbeLbdMcbNdaOe_Q\

 e_Se_Vf_Xf`Zg``g`ch`eh`gi`iialjanjaqdXsZSvTNrQLoMJ\

 kJGgFEcCC`8AX57T15S48R8AQBDPEFOIIOLLNONMSQLVSKYVJa\

 XId_Ha`FZaEWbDUbBRcAOd9Le8If6Fg5Dg4Ah27i14j46j78iA\

 AiDDhGFhJHgMJgPLfSNfVPeYSe`UdcWdfYcj`bk`ala_mbYncW\

 odUpeSqfQrgPshNtiLujJvkHwlFxmDynBymBylAyjAyi9yg9yf\

 8yd8yc7ya6y`6yZ5yY5yW4yV4yT3xWOjbYXifJppdm5en8fnCg\

 oFgoIhpMiqPjqSkrVlsZlsamtdnthouklnghhceaZbVVZORWIN\

 SBIP4ET6CW7B_99bB8fC6iE5mG3pH2tJ0rL2pM5mO7kPAiRCgT\

 EeUHbWJ`XMZZOX`QVaTScVQdYOf_Pe`RdbSbcTadV`fW_gXYhZ\

 Xj_WkaUmbTndRpdSocTmcUkbVjaWhaXf`Yd_Zb__`Z`_YaYYbW\

 XcU`fKcWRgMXjBcm0ia1ZP2OQ6PQBPRFQRJRSNRSSSTWTU_TUd\

 UVhUVlVWpWWuWXyXap`ghcl_gqRjqQgpOepNboQXnTRnWMmZGl\

 aAhdDefFaiIYlKVnNRqPNtSKvUGyXGsbGmhHkiIikJflKdmLbo\

 M`pNZqOWrPUtQSupqCppBppBpoApoApn9pn9pm8pm8pl7pl7pk\

 6pk6pj5pj5pi4ph3qe6qb9r_C }

frm:F_20121121_1433 {

; Similar to the parallel resistance formula

a=real(p1),b=real(p2)-1,d=imag(p1),f=imag(p2)-1,

z=0,c1=pixel-p3,c2=pixel-p4:

z=1/(1/(a*(z^b)*sinh(z)+c1)+1/(d*(z^f)*tanh(z)+c2)),

|z|<100

}