The SAS System                                  

                                     C

                          1         9         3         4
                          1         0         3        12


                                     D

                          1         0         0         4
                          1         0         0         1


                                     A

                          2         9         3         8
                          2         0         3        13


                                     B

                          0         9         3         0
                          0         0         3        11


                                     AA

                          1         9         3         4
                          1         0         3        12
                          1         0         0         4
                          1         0         0         1


                                    AAT

                          1         1         1         1
                          9         0         0         0
                          3         3         0         0
                          4        12         4         1


                                     DT

                                    1         1
                                    0         0
                                    0         0
                                    4         1


                               The SAS System                               

                                    CDT

                                   17         5
                                   49        13


                                   ROWCDT

                                         2


                                   COLCDT

                                         2


                                    AAT2

                          2         2         2         2
                         18         0         0         0
                          6         6         0         0
                          8        24         8         2


                                   MDAAT2

                          2         0         0         0
                          0         0         0         0
                          0         0         0         0
                          0         0         0         2


                                   VDAAT2

                                         2
                                         0
                                         0
                                         2


                                   IDENT

                               1         0         0
                               0         1         0
                               0         0         1


                               The SAS System                               

                                   UNITY

                               1         1         1
                               1         1         1
                               1         1         1