.
                                  b
                            l   l   u   l
                         u     e   b    u
                       e        l   u        e
                      j             j              j
                     e             e               e
                    a              a                a
                   n              n                  n
                   b            b     l               b
                  l             u       e              l
                  u            j         e             u
                   e             a     n              e
                     j                b                 j
                       e              l                e
                          a          u            a
                             n       e       n
                                       g
                                       e
                                       n
                                       e