HAMWAY
Preempt-2ª
DBL=#Lebensohl
2NT=16-19HcP
2NT-3§=Trans -> ¨
2NT-3¨=Trans -> ©
2NT-3©=Trans -> §
2NT-3ª=Stayman
3ª=ASK Stop
3ª-3NT=Stop OK
4§=5§+5©,GF
4¨=5¨+5©,GF
4ª=Suit try §+¨,NF
4NT=§+¨,GF