25962

Solving the message was easy. I Started by using the first letter and tried making a word I got the first 4words. Then I knew I was on the right track. Then i used how many letters i skip to make columns. It took time but it was easy. The message was:

The rabbit-hole went straight on like a tunnel for some way, and then dipped suddenly down, so suddenly that Alice had not a moment to think about stopping herself before she found herself falling down what seemed to be a very deep well.