SCGRC_I                 Structurally Complete Generalized Row Column
                        Designs of Series-I
SCGRC_II                Structurally Complete Generalized Row Column
                        Designs of Series-II
SCGRC_III               Structurally Complete Generalized Row Column
                        Designs of Series-III
SIGRC_I                 Structurally Incomplete Generalized Row Column
                        Designs of Series-I
SIGRC_II                Structurally Incomplete Generalized Row Column
                        Designs of Series-II
