Previous bidding:
minimum
extra
maximum
(6)7+♦
suit preference
~11-15 HCP (2.75-3.75 HT)
4♥
4♥
suit preference
suit preference
~11-16 HCP (2.75-4 HT)
~17+ HCP (4.25+ HT)
any
any
any
NT preference
NT preference
NT preference
~11-16 HCP (2.75-4 HT)
~17-18 HCP (4.25-4.5 HT)
~19+ HCP (4.75+ HT)
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