/usr/lib/open-axiom/input/gnarly1.input is in open-axiom-test 1.4.1+svn~2626-2ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 | draw(surface(cos(t)/(1+sin(t)**2),sin(t)*cos(t)*cos(u)/(1+sin(t)**2),
sin(t)*cos(t)*sin(u)/(1+sin(t)**2)),t = -%pi..%pi,u = 0..%pi)
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