What would be next two lines in this number puzzle?

Question

The below is a number puzzle.

1
1 1
2 1
1 2 1 1
1 1 1 2 2 1
? ? ? ? ? ?
? ? ? ? ? ? ? ?

What would be next two lines?

Hint: It should be read left to right, top to bottom.

Answer 1

Just read the previous line that is the next line

one
one one
two one
one two one one
one one one two two one
three one two two one one
one three one one two two two one

So answer is

1
1 1
2 1
1 2 1 1
1 1 1 2 2 1
3 1 2 2 1 1
1 3 1 1 2 2 2 1