Looking on the internet deeply has found these results:

in the same lines is the most popular phrase on the web.

on the same lines 14,170,000 results on the web	in the same lines 1846,000,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
I have tabled amendments on the same lines as those tabled by, for example, Bill Miller, who addresses this issue. Mrs Van Putten's speech developed ideas on the same lines. To make a long story short and it is story that interests parents and society at large You have launched the virtual debate on the web page; we did so a week earlier, but we are on the same lines as you. The Commission and Parliament are on the same lines and the fishermen and environmental organisations are also on board. Parliament and the Commission are working on the same lines. The structure of the new funds is to be on the same lines as the EAGGF.	It doesn't look like this phrase is very popular! The search could not find any examples on the internet.

on the same lines

14,170,000 results on the web

in the same lines

1846,000,000 results on the web

More popular!

I have tabled amendments on the same lines as those tabled by, for example, Bill Miller, who addresses this issue.
Mrs Van Putten's speech developed ideas on the same lines.
To make a long story short
and it is story that interests parents and society at large
You have launched the virtual debate on the web page; we did so a week earlier, but we are on the same lines as you.
The Commission and Parliament are on the same lines and the fishermen and environmental organisations are also on board.
Parliament and the Commission are working on the same lines.
The structure of the new funds is to be on the same lines as the EAGGF.

It doesn't look like this phrase is very popular! The search could not find any examples on the internet.