Three star points, contact invasion

Middle-game joseki invasion?  

Note: The three stars (star points, hoshi) formation is the major example of san-ren-sei.

For starters  

Notice that this is also a standard method for approaching a hoshi stone with a 4473Enclosure where is a little more cramped by the presence of .

Sabaki  

Probably the most interesting way for White is this. Of course there is a ladder to consider now. This might be played in a high-handicap game.

RhysD: Would somebody mind adding some detail here? I've had a play around, but can't find a plausible ladder. I find these sort of positions (e.g. instances of double hane) quite difficult.

A little heavy  

If instead and , White's group is somewhat heavy. Black can expect to make territory, in the left corner by attacking, and on the right.