How to draw [cr(H2o)3cl3]+ fac and mers and rotate both cis and trans to check if it is optically active

Also explain how to draw [Co(en)2cl2]+ cis and trans after rotating 180 degrees

***I have the correct answers, I just really want to understand how to rotate the structures 180 degrees, thank you!

I am confused about how to rotate coordinate complexes 180 degrees to check if they are non superimposable and form optical isomers or not. I understand how to draw the mirror reflection but I keep drawing the 180-degree rotation incorrectly and I really need help.