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 5fa95fbdd285680008e41e4b

swap number pairs

Swap the numbers in a bunch of 2-element arrays.

Start file

[2, 1], [5, 4]
[6, 3]
[7, 4]
[8, 2], [12, 11]

End file

[1, 2], [4, 5]
[3, 6]
[4, 7]
[2, 8], [11, 12]

View Diff

1,4c1,4
< [2, 1], [5, 4]
< [6, 3]
< [7, 4]
< [8, 2], [12, 11]
---
> [1, 2], [4, 5]
> [3, 6]
> [4, 7]
> [2, 8], [11, 12]

Solutions by @Duncan31503119:

Created by: @wedesoft Tweet

370 active golfers, 2011 entries

Solutions by @Duncan31503119:

17

#85 - Duncan / @Duncan31503119

01/05/2021 at 09:11PM

18

#>123 - Duncan / @Duncan31503119

01/05/2021 at 09:01PM

18

#>123 - Duncan / @Duncan31503119

01/05/2021 at 09:02PM

19

#>133 - Duncan / @Duncan31503119

01/05/2021 at 08:49PM

20

#>136 - Duncan / @Duncan31503119

01/05/2021 at 08:47PM

21

#>142 - Duncan / @Duncan31503119

01/05/2021 at 08:42PM

22

#>150 - Duncan / @Duncan31503119

01/05/2021 at 08:36PM

23

#>167 - Duncan / @Duncan31503119

01/05/2021 at 08:24PM

25

#>180 - Duncan / @Duncan31503119

01/05/2021 at 08:05PM

30

#>227 - Duncan / @Duncan31503119

01/05/2021 at 08:01PM

31

#>241 - Duncan / @Duncan31503119

01/05/2021 at 07:59PM

37

#>295 - Duncan / @Duncan31503119

01/05/2021 at 07:57PM

45

#>324 - Duncan / @Duncan31503119

01/05/2021 at 07:46PM

46

#>330 - Duncan / @Duncan31503119

01/05/2021 at 07:44PM