1N 3D 3H 3 card club support some interest. If res continues with 4C it is Redwood

1N 3D 3S 3 card D support some interest. If res continues with 4D it is Redwood

1N 3D 3N To play

1N 3D 4C Redwood in C

1N 3D 4D Redwood in D

POLOWAN

1NT - 3¨

3©, 3ª = concentration

4§, 4¨ = not redwood, slot bid by responder shows interest, + 2 =redwood