So, E11:
$$Wcm1

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$$ | . . . . X . . X . O . . O . X . . . . |
$$ | . . X , X O . . . , . . . . . , X . . |
$$ | . . . . . O X X X O . . . . . . . . . |
$$ | . . . . . O O O X . . . . . . . . . . |
$$ | . . . 6 . . . . . . . . . . . . . . . |
$$ | . . X 3 X . . . . . . . . . O . X . . |
$$ | . . . 5 1 4 O . . . . . . . . . . . . |
$$ | . X O O X 2 . . . , . . . . O , O . . |
$$ | . O X X O . . . . . . . . . . . . . . |
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$$ | . . O O . . . . . , . . . . . O . . . |
$$ | . O X O . X . . . X . . . X . O . . . |
$$ | . X X X . . . . . . . . . . . . . . . |
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- Click Here To Show Diagram Code
[go]$$Wcm1

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$$ | . . . . X . . X . O . . O . X . . . . |
$$ | . . X , X O . . . , . . . . . , X . . |
$$ | . . . . . O X X X O . . . . . . . . . |
$$ | . . . . . O O O X . . . . . . . . . . |
$$ | . . . 6 . . . . . . . . . . . . . . . |
$$ | . . X 3 X . . . . . . . . . O . X . . |
$$ | . . . 5 1 4 O . . . . . . . . . . . . |
$$ | . X O O X 2 . . . , . . . . O , O . . |
$$ | . O X X O . . . . . . . . . . . . . . |
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$$ | . . . O . . . . . . . . . X . O . . . |
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$$ | . . O O . . . . . , . . . . . O . . . |
$$ | . O X O . X . . . X . . . X . O . . . |
$$ | . X X X . . . . . . . . . . . . . . . |
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Clearly my old plan doesn't work anymore (Did it ever?), so I need to rethink things. What are my options here? As I see it, there are two ways in which I could try and play this: Be aggressive and try and kill black's C9 stones, or peacefully sacrifice my stones. Since I can't capture black's stones directly I need to start by defending my stones if I want to fight, but I've already looked at the only two options for that and didn't like either so I need to find a good way to sacrifice. Even though I think this area is important I will tenuki if I can't find a sequence I like, because I have resolved to stop playing moves I dislike.
There does seem to be a nice way to sacrifice simply by forcing black to capture my B9 stone (and defend his E10 stone).
$$Wcm1

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$$ | . . . . X a . X . O . . O . X . . . . |
$$ | . . X , X O . . . , . . . . . , X . . |
$$ | . . . . . O X X X O . . . . . . . . . |
$$ | . . . . . O O O X . . . . . . . . . . |
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$$ | . . X . X . . . . . . . . . O . X . . |
$$ | . . . . 8 . O . . . . . . . . . . . . |
$$ | . X O O X 7 . . . , . . . . O , O . . |
$$ | 6 C X X O . . . . . . . . . . . . . . |
$$ | . 4 2 1 9 . . . . . . . . . . . . . . |
$$ | . 5 3 . . . . . . . . . . . . . . . . |
$$ | . . . O . . . . . . . . . X . O . . . |
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$$ | . . O O . . . . . , . . . . . O . . . |
$$ | . O X O . X . . . X . . . X . O . . . |
$$ | . X X X . . . . . . . . . . . . . . . |
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$$ ---------------------------------------
- Click Here To Show Diagram Code
[go]$$Wcm1

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$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . X a . X . O . . O . X . . . . |
$$ | . . X , X O . . . , . . . . . , X . . |
$$ | . . . . . O X X X O . . . . . . . . . |
$$ | . . . . . O O O X . . . . . . . . . . |
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$$ | . . X . X . . . . . . . . . O . X . . |
$$ | . . . . 8 . O . . . . . . . . . . . . |
$$ | . X O O X 7 . . . , . . . . O , O . . |
$$ | 6 C X X O . . . . . . . . . . . . . . |
$$ | . 4 2 1 9 . . . . . . . . . . . . . . |
$$ | . 5 3 . . . . . . . . . . . . . . . . |
$$ | . . . O . . . . . . . . . X . O . . . |
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$$ | . . O O . . . . . , . . . . . O . . . |
$$ | . O X O . X . . . X . . . X . O . . . |
$$ | . X X X . . . . . . . . . . . . . . . |
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$$ ---------------------------------------[/go]
This is like my earlier plan (I'll repost it below for convenience), except better so I really should like it, but I just can't see it as an acceptable result. I said before that I was happy to settle my group in way that threatened to cut at "a", but now I think that's not good enough when black has sente. What happens if black just defends the cut? I've settled my group and gained some thickness, but what am I supposed to do with it? All black's stones are strong and after the the territory he gained he has no need to take any risks. It seems foolish to deliberately create a game where I'm behind on territory and my opponent is the one with the solid positions from which to expand, so this is definitely out.
So once again I need to come up with another idea, but what? Well I've identified a serious problem: All black really needs to do to win is settle his groups, so I need to stop him doing that. With that goal in mind, playing B11 and trying to fight it out with the C9 stones becomes more tempting, but the strong black stones on the bottom mean it's still pretty unappealing. The other option is of course the previously mentioned cut at "a", and this seems much more viable. I'm not exactly strong in the area, but at least black isn't either. It may end in disaster, but using the fight to settle my weak groups also seems like a possibility, and that would definitely make this game easier.