Real Vim ninjas count every keystroke - do you?

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

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$ gem install vimgolf
$ vimgolf setup
$ vimgolf put 9v006a3e7a730000000007e9

hexagram binary tree

generate the binary tree that represents all possible hexagrams found in the book of changes (易经)

Start file

End file

                                ################################
                ################                ################
        ########        ########        ########        ########
    ####    ####    ####    ####    ####    ####    ####    ####
  ##  ##  ##  ##  ##  ##  ##  ##  ##  ##  ##  ##  ##  ##  ##  ##
 # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #

View Diff

1c1,6
< 
---
>                                 ################################
>                 ################                ################
>         ########        ########        ########        ########
>     ####    ####    ####    ####    ####    ####    ####    ####
>   ##  ##  ##  ##  ##  ##  ##  ##  ##  ##  ##  ##  ##  ##  ##  ##
>  # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #

Solutions by @bemmesr:

Created by: @anakojm Tweet

14 active golfers, 42 entries

Solutions by @bemmesr: