◇ Mixed Raise

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1D  3C! 1) 7-9 HCP, often 5+D  2) STR C
        3D       want to S/O
            ps   S/O
            3M!  semi-solid C, M control, ST
            3N   semi-solid C want to play
            4C   solid C, D control, ST
            4D!  C RKCB
        3M!      stopper
            4C   STR C
            else D fit
        3N       want to play
            4C   STR C


1C  2D! 1) 7-9 HCP, often 5+C  2) STR D
        2M!      stopper
            3D   STR D
            else C fit
        2N       inv 3N
            3C   min
            3D   STR D
            3H+  Max, C fit
        3C       want to S/O
            ps   S/O
            3D   solid D
            3H+  同上
        3D!      16+ HCP, D spl


# 在被迫伴賭倍後仍可以用相同的制度。
  被超叫後，對梅花就沒有辦法使用mixed raise 了；
            對方塊的合理用法則是 1D-(1M)-3C 仍表示 7-9 的 Mixed raise。