Define which is a homothety with ratio 3, center of homothety (0,0,0)
Define the plane oxz
Define which is a glide-reflection with as the plane of reflection and as the vector of translation
Define as a screw-displacement with as the rotational axis and as a vector of translation
Compute which is the product of
Compute the inverse of
Compute the product of ; one can quickly recognize that this is an identity transformation
Simple check
Hence, the two objects are the same