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 56ef78d9f604b51ec4007b8d

Scrambled numbers

Four is NOT 1. One is 1.

Start file

Four is 1.
One is 2.
Five is 3.
Three is 4.
Six is 5.
Two is 6.

End file

One is 1.
Two is 2.
Three is 3.
Four is 4.
Five is 5.
Six is 6.

View Diff

This one's pretty tough!
At least I hope it is.
Before posting, I have an 18.

Solutions by @dadaojiemo:

Created by: @udioica Tweet

182 active golfers, 779 entries

Solutions by @dadaojiemo:

20

#66 - setNull / @dadaojiemo

02/19/2017 at 02:40PM

23

#>94 - setNull / @dadaojiemo

02/19/2017 at 02:34PM

23

#>94 - setNull / @dadaojiemo

02/19/2017 at 02:35PM

24

#>114 - setNull / @dadaojiemo

02/19/2017 at 02:26PM

25

#>122 - setNull / @dadaojiemo

02/19/2017 at 02:23PM

29

#>135 - setNull / @dadaojiemo

02/19/2017 at 01:50PM

29

#>135 - setNull / @dadaojiemo

02/19/2017 at 02:14PM

30

#>138 - setNull / @dadaojiemo

02/19/2017 at 01:44PM

31

#>143 - setNull / @dadaojiemo

02/19/2017 at 01:42PM

32

#>151 - setNull / @dadaojiemo

02/19/2017 at 01:48PM