Quadri Livorno

1¨-DBL

Pass=#No CTRL

RDBL=#1 CTRL

1©=#2 CTRL

1ª=#3 CTRL

1NT=No CTRL,5-6HcP

1NT-2NT=Balanced,

        any strength

2§=#4 CTRL

2¨=#5 CTRL

2NT=No CTRL,7+HcP