E
                   B    D
                 0         E                                 E  C
               S     C         S                          C      A
                  E                C                    S         I                  E
            R                        E              E            A               B  C
       C                          C             R                B            O     A
       A                      A      R       C                    I         S     A   I
        I                  I        E E  E                      S      E        N  
                                             S                    M  B            E
                                                C                  O               C
                                                 E              S