\text{ Zostrojte os mimobežiek  }CL, EK. 

 \text{Postup

A = (-3, -3, 0)
B = (3, -3, 0)
C = Point(Circle[B, Distance[A, B], Segment[A, B]])
K_{1}, D, E, F, G, H, stenaABCD, stenaADHE, stenaABFE, stenaBCGF, stenaCDHG, stenaEFGH, hranaAD, hranaAB, hranaBC, hranaCD, hranaAE, hranaDH, hranaEH, hranaEF, hranaBF, hranaFG, hranaCG, hranaGH = Cube(A, B, C)
K = Point(hranaGH)
L = Point(hranaBF)
f = Line(C, L)
g = Line(E, K)