This is a problem I found in one of Google’s entrance tests. You don’t need to be the natural descendant of Euler to answer it, and please, I beg you not to Google and post the answers.
1
1 1
2 1
1 2 1 1
1 1 1 2 2 1
1 1
2 1
1 2 1 1
1 1 1 2 2 1
What is the next line?
The answer shalt be revealed in a week.