Can you tell one white cat from the other?

Here's a little game for you. Can you tell Twitch & Ophelia apart without my help? I've posted some pictures of them(new & old), now you tell me who's who!

Which pictures are Ophelia & which pictures are Twitch?
Number 1

Number 2

Number 3

Number 4

Number 5

Number 6

Number 7


If you have twin babies, post pics of them & see if anyone can tell them apart!

Oh My! ...
Natalie, that´s not fair, boths are soooo deep beautifuls and complete similars! ...
Let see: number 1 3 5 and 7 are the beautiful ophelia!
the number 2,4,6 are the beautiful Twich!


Even Milky can´t resist at her beautyes!

You´re beautiful Señoritas!

Man that is to hard for me. I think the key is the ears the pinkness and the nail color. But I cant tell