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1D 1S

6-11         3- H         4+ S

                                1NT        11-16       3- S         stopper in H

                                2C           11-16       5+ C

                                2D           11-16       5+ D

                                2H           17-18       6+ C or D

                                                2S            6-9           5+ S

                                                2NT        6-7

                                                3C           10-11       3NT or 5 D             3 with Q or 4+ D

                                                3D           10-11       3NT or 5 C             3 with Q or 4+ C

                                                3NT        8-11

                                2S            11-16       4 S

                                2NT        17-18       3- S         stopper in H

                                3S            17-18       4 S

                                3NT        19-21       3- S         stopper in H