sex_02W : sextupole, L=0.272, superimpose, ref=det_01w,ref_origin = end, offset= -.3
sex_02E : sextupole, L=0.272, superimpose, ref=det_01e, ref_origin = beginning, offset= 0.3
sex_48w: sextupole, L=0.1, superimpose, ref=q48w, ref_origin = end, offset=0.5
sex_48e: sextupole, L=0.1, superimpose, ref=q48e, ref_origin = beginning, offset=-0.5
sex_49w: sextupole, L=0.1, superimpose, ref=q49w, ref_origin = end, offset=0.3
sex_49e: sextupole, L=0.1, superimpose, ref=q49e, ref_origin = beginning, offset=-0.3