updates to grouped operations
updates to grouped operations

phlip9/BIDMat,phlip9/BIDMat,phlip9/BIDMat,phlip9/BIDMat,codeaudit/BIDMat,codeaudit/BIDMat,codeaudit/BIDMat,phlip9/BIDMat,codeaudit/BIDMat,codeaudit/BIDMat