Quadri Livorno
1¨=19+HcP,ANY
1¨-2¨=3 CTRL
2©=#ASK supp
2ª=#ASK supp
2NT=19-21HcP,bal
2NT-3§=Stayman
3§=#ASK supp
3¨=#ASK supp
3©=#ASK CTRL
3ª=#ASK CTRL
3NT=22+HcP,bal
3NT-4§=Stayman
4§=#ASK CTRL
4¨=#ASK CTRL