TX=Headley; C=(6*(IRT_HI_V_HEADLEY_EARLY|IRT_HI_V_HEADLEY|IRT_HI_V_TRAILER|IRT_HI_V_HEADLEY_MUDC))|   (6*(IRT_HI_V_HEADLEY_MUDC_G|IRT_HI_V_TRAILER_G));