Well that's simple.
And that's all the relevance it has on the story? It's just another outer got that's there just because?
Maybe if you look through every nook and cranny, and think in a creative non standard way, will you find more information, hmm~ ?
Many things are being told without being spoken about, while some things are being told in a seemingly nonsensical ways, but to see that you must drown yourself in a black well and enter the Phantom Rabbit Hole I suppose...
In other words:
1) Look for Alice again, and again, and again, until your head burns from countless gears moving in a chaotic ways.
2) Don't trust anyone.
3) Question everything, be critique.
4) Don't smoke.
5) Don't drink alcohol.
6) Do physical and mental exercises every day.
7) Pray to Mary Sue.
8) Mary Sue is the fairest of them all.
9) Mary Sue is the main heroine of the story.
10) Mary Sue is [REDACTED].