1♣=3+ cards
W____N____E____S ____ A/
Pass_Pass__1♣_Double
Pass__2♠___Pass__?
W____N____E____S ____ B/
_____Pass__1♣_Double
Pass__2♠___Pass__?
W____N____E____S ____C/
Pass_Pass__1♣_Double
Pass__1♠___Pass__?
W____N____E____S ____ D/
_____Pass__1♣_Double
Pass__1♠___Pass__?
What's your bid here, and is there any change with different vulnerability? If You have not standard methods -please explain (I realy want to know)!

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