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Formel zum Bild "Harmonisch Umschlungenes [Variante VI] von Hermann Bauer": [[(x^2+y^2)^2+2ax*(x^2+y^2)+8a^2y^2^]*[(x^2+y^2)^2-2ax*(x^2+y^2)+8a^2y^2^]+128z^8-256z^6+160z^4-32z^2+1+1]*[[(y^2+x^2)^2+2ay*(y^2+x^2)+8a^2x^2^]*[(y^2+x^2)^2-2ay*(y^2+x^2)+8a^2x^2^]+128z^8-256z^6+160z^4-32z^2+1+1]*[[x^2+y^2-(2a)^2^]*[x^2+y^2-a^2^]+8z^4-8z