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 5ba4962fbbac05000bc2ddec

Preferably without multi-cursor plugin

Originally asked as question on reddit by kpthunder: https://www.reddit.com/r/vim/comments/9fvsro/what_is_the_most_efficient_way_to_go_about/

Start file
newState.set('foo', foo);
newState.set('bar', bar);
newState.set('banana', banana);
newState.set('bears', bears);
End file
state.foo = payload.foo;
state.bar = payload.bar;
state.banana = payload.banana;
state.bears = payload.bears;

View Diff

1,4c1,4
< newState.set('foo', foo);
< newState.set('bar', bar);
< newState.set('banana', banana);
< newState.set('bears', bears);
---
> state.foo = payload.foo;
> state.bar = payload.bar;
> state.banana = payload.banana;
> state.bears = payload.bears;

Solutions by @Smylers2:

Unlock 6 remaining solutions by signing in and submitting your own entry
Created by: @argshook

114 active golfers, 459 entries

Solutions by @Smylers2:
30
#2 - Smylers / @Smylers2

09/21/2018 at 02:02PM

30
#>2 - Smylers / @Smylers2

09/21/2018 at 02:06PM

31
#>20 - Smylers / @Smylers2

09/21/2018 at 08:44AM

32
#>32 - Smylers / @Smylers2

09/21/2018 at 08:48AM

33
#>39 - Smylers / @Smylers2

09/21/2018 at 08:39AM

34
#>47 - Smylers / @Smylers2

09/21/2018 at 08:37AM