limit-similar breaks when there are multiple different subpages

```
/blog/
/blog/page/1/
/blog/page/2/
/blog/page/3/
/blog/post-1/
/blog/post-2/
/blog/post-3/
```

Only `/blog/page/1/`,`/blog/page/2/`,`/blog/page/3/` will be kept
