1♥ - 2♣ - 2♥ -

2♠    =    GF, 4+ card ♠

2NT =    GF, balanced    ➤    3♣/♦/ = natural, very distributional ; 3♥    =    natural ; 3NT    =    TP

3♣    =    NF, 6+ card ♣

3♦    =    GF, 5+♣

3♥    =    GF, 3 card support

3NT =    TP, 15-17