I want to find the most elegant way to replace every second space on each line with Vim. Most elegant solution accepted.
Example input
123 1234 1345 123456 12344567 12345678
123 1234 1345 123456 12344567 12345678 123 1234 1345 123456 12344567 12345678
Intended output
1231234 1345123456 1234456712345678
1231234 1345123456 1234456712345678 1231234 1345123456 1234456712345678