stairways

just a tweak of caged light [link] of Thx

my param`s:
Mandelbulb3Dv17{
T.....S....w....ET...2....kXa5CVlI.wzGRmBdRTbyyjsU40Z/E0du1KaJ2uGRC.z8bmM/VO2.zj
................................M7BVM2AMG12........Y./..................y.2.....
................/M.0/....6Ul....A0....E4.....wl4q8J4rycD/.UBTI/E...m/dkpXm1....U
z.....kD12../2.........../.........E.......................u1....y1...sD...../..
.w1...sDU6Qwyrp/1uX23X57RuF0yiFdK.1pL/UjyydUZH3W6s1EnGnCeFkUyQB2Tgq4CJXjAzGD6HXB
/sHKM2ClShIByw7cCVkQ2AcD.ckpXkn5..............kD.2....sD.2kz....................
.............ckpXm1...sD....zUJRg9.ypli.MO5v0UnRg9.qrli.sV5v0UFSg9..............
..................Uy.g0An.EK.I3.d....Q3....O....a0...20....2....P....wH/...UJt4J
..USICYCmgGDzs2AFZ2DnY1E4VB./c..UhpI.YHbG7eFT5uDX6HNL1YPWz1...........U28..G6V4.
todIWOorVyXpfjrwdvgqz0..........U613zvXDD/ECR8Zc4xRczoklrlkCx9xjShM3ZaYq1z9.mc..
WMG9.YHbG7eFT5ujJAqyTr69/.2..........Ik38gTPng/.5U5wVr1LvzvBIbHMps0../iAdvhCTIwD
3QV0wrVBo..3NzGPt/qyzKEbCq9ip..EYlfsNut03z1..ItRS/UBkM1.vqUWhl2.Tl3L.Mq4gK8X.g2I
E/.WcMtS1/EI8/3.8NnW846.ZJKO.IHHUisL.k/6M.EnMRsUu/.NZd4.gEKX7S6.nAHA.osPHeMR.UsQ
L/.7vRfZF/koF9B....y3q/.ee0k.1A.IJ3yAT2.wy5y3q/...rPnEI9l.1As6HBh21AlAJNV7INY7X9
E....A.....1....I....c....kHXFLMcJ4NmxaP7NoI..............................U/4MU/
4M........UaNaNaNaN../........zD................................................
.....cNaNaNaNavjOaNaNaNatyfaNaNaNaNiz0..........................................
.....................I....U/....1....MoPgFKOiR467t4RU.pPr/......................
8..0.........................E.E.......km/oAnAnAnAnxz.........zD................
................................................................................
................................E4...E/...U0....HZKNm/LOiBrOdB1.................
................4MU/4MU/..................A........wz.........zD..........2.....
................................................................................
............................................}