.htaccess file makes page load indefinitely? -

i'm using following .htaccess pages preceded /cn/ load http (the rest loads https:

<ifmodule mod_rewrite.c> rewriteengine on rewritebase /  # http requests other /cn should become https rewritecond %{https} off rewriterule !^cn(/.*)?$ https://%{http_host}%{request_uri} [r=302,nc,l,ne]  # https requests /cn should become http rewritecond %{https} on rewriterule ^cn(/.*)?$ http://%{http_host}%{request_uri} [r=302,nc,l,ne]  rewriterule ^index\.php$ - [l]  rewritecond %{request_filename} !-f rewritecond %{request_filename} !-d rewriterule . index.php [l] </ifmodule>  php_value upload_max_filesize    110m php_value post_max_size          110m 

the strange thing page keeps loading forever. causing this?