protected towers

My 3rd submission to the 1st annual contest at
Don't know why it's the 2nd one with towers.
Based on Tim's params, no other formulars, only some different values and colors, you can have a look here:
Mandelbulb3Dv18{
g.....E/...o0...w....2E...E4iDWDNQMnz.9JxDYuPa4ENNJ/p2KG1.2XIT.kLS8wzAU5E.6BFExD
................................PtAyNxa84/2........Y.lG.................o.2...wD
...Uz6....U0.....M.0/......OD...H1....Ea.....ssvKhejsClD/..........G0dkpXm1.....
z.EnAnQD12../2UaNaNaNa6yzAnAnAnAn.yjOaNaNaN4Mz9...........U0.....y1...sD...../..
.z1...sDyE4se7Ll7uXn7ju6POgVyCldSr8csCkDrP/sAmQg1wvV8/KwGa5ky8pUGB94AWcDeM6YDFvR
.v1kQLPfC5v.zCDre/f0LUcjU.....YE..............sD.6....sD..G.....................
.............oAnAt1...sD....zw1.........................................M....k1.
.....Ksulz1.....yyzz.wzzz1.U..6......E2...EB.........A5...UszzzzO/...Q2.....SIL1
PB5U.KpLtxzlciszsU3YzTAe906.2c..zzSi..kuvBTuCfxj6A72QifFjz1..........2k.8.kYjd2.
.A72QifFDz1.H0/bvOonz0........../6U0.YnFP/..fjrwdvgqzs/Fbf24LNyD..........E.2c..
zzzz............W1...................2./8.kzzzD............8....................
/EU0.wzzz1....................................Ak.1.E./2ED.Fe4LD../2E.J56U08c..2E
./YRk.8cU0.E./2EgynzTz9../2E.lEHU08c..2E./IcN/8cU0.E./2EYLajHXD../2E.7bQU08c..2E
./oyz/Ak.1.E./2E...cU08czz/cU08cyz1cU08cxz3cU08c................................
E....6E2F2.A....I....I....EE0x4SBx4N934Pd/UQ..........................k/C.......
..........kAnAnAnAjzzMaNaNaNa7yDOnAnAnAPjzXAnAnAnAVuz.......g5zD................
................................................................................
.....................Q.....3....A....oINiRKNmhoPXVaJm...........................
.....MU/4MU/4........QaNaNaNS4/EnAnAnAnItz1nAnAnAngxz.........zD.......Ms.A.....
..Q7./.......6.E........................................kz1.....................
.........timemit................}
{Titel: protected towers}