2♦(weak 2 in a major)-2NT(relay) 3♣(minimum)-3♦(ask) 3♠(♥)-4♥ or, if treating south as first seat, then I'll have the same auction as IMPrecision(though the range is a bit different): 1♣(15+nat/bal,21+any)-1NT(5+♥ 3-7QP) 2♣(GF relay)-2♠(1 suited,high shortage) 2NT(relay)-3♥(1633) 3♠(relay)-3NT(3-4 QP) 4♣(relay)-4♠(4QP,1/3 top hearts, 0/2 top diamonds) 5♥