Real Vim ninjas count every keystroke - do you?

Pick a challenge, fire up Vim, and show us what you got.

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Your VimGolf key: please sign in

$ gem install vimgolf
$ vimgolf setup
$ vimgolf put 4f99b09353e306000100003f

The meaning

Numbers are fun!

Start file

My favourite number is 24

End file

My favourite number is 42

View Diff

1c1
< My favourite number is 24
---
> My favourite number is 42

Solutions by @retired10072015:

Created by: @matty_jwilliams Tweet

363 active golfers, 575 entries

Solutions by @retired10072015: