%  Default multiple column formats
\multicolumnformat{
               \twocolumnwidth{.48\galleywidth} % approximately 3 inches
               \threecolumnwidth{.31\galleywidth} %  approximately 2 inches
               \twocolumngutter{.04\galleywidth} %   approximately .2 inches
               \threecolumngutter{.035\galleywidth}
               \columnrulewidth{0.0pt}
               \skipbefore{6pt plus3pt minus2pt} % flexible format only
               \skipafter{6pt plus3pt minus2pt} % flexible format only
               }