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 @alek_fed:

Unlock 8 remaining solutions by signing in and submitting your own entry
Created by: @argshook

129 active golfers, 540 entries

Solutions by @alek_fed:
30
#8 - alekfed / @alek_fed

04/15/2019 at 11:54AM

31
#>27 - alekfed / @alek_fed

04/15/2019 at 11:52AM

32
#>47 - alekfed / @alek_fed

04/15/2019 at 11:52AM

33
#>51 - alekfed / @alek_fed

04/15/2019 at 11:51AM

34
#>56 - alekfed / @alek_fed

04/15/2019 at 11:49AM

36
#>78 - alekfed / @alek_fed

04/15/2019 at 11:48AM

37
#>84 - alekfed / @alek_fed

04/15/2019 at 11:47AM

38
#>92 - alekfed / @alek_fed

04/15/2019 at 11:45AM