1N! (2x) X Corp X(to 2m) or penalty(to 2M)
2y NAT, NF
2N! Lebensohl, 一門弱牌要打或梅花inv+(再cue對方牌組或再叫3N+)
3C~3H! 全線轉換, inv+ (高花4線仍有Texas trf)
a.轉換至敵牌組=stayman
b.開叫者接受轉換=not MAX
c.開叫者越過轉換=受邀, control or suit
3S! 問檔
3N S/O
4m! Leaping Michael
4N! 55m