Count both ways
Right AND down.
Start file
one two three four five six seven eight nine ten eleven
End file
one two three four five six seven eight nine ten eleven
two
three
four
five
six
seven
eight
nine
ten
eleven
View Diff
1a2,11
> two
> three
> four
> five
> six
> seven
> eight
> nine
> ten
> eleven
Solutions by @ramtamtamtam:
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