N         M M
          LM              LL
                          N LL
                           N LL
               NNNNNNNNNM M
                                NN L
                                  N L
                                  N LL
                                   N
                    MMMMMMM N MM M
                                        NNN
     MMM L
          MLLLLLLLL
               M         L M      MM LLLLL
                                        MMMM
                                          NNN LN
                                               MM
                                                NNLLL
                                                MMN L
                                                       M
    IIIIIIIIIIIIIIIIIIIIIIIIIIIII
         LL                                     III
    NNNNN                                            INNN
    M                                                 ILL
                                                     M MM N
    LL                                                 I
    ******************************** I
                                                     ****IIMMNI
                                                            ***LLLMNLMLMNNLN
                                                                 I
                                                                 ****MNNLM
                                                                   I MMNN
                                                                    I**LLL
                                                                                MNNN
                                                                       I **L
                                                                                M L
                                                                                 MMN
                                                                        I          LN
                                                                          I             L
                                                                                   M L
                                                                                        MN
                                                                                I****LN
                                                                                I ML
                                                                                             MNN
                                                                                 I **L
                                                                                              MMN
                                                                                  I **LN
                                                                                   I                   L
                                                                                                   MM
                                                                                        I **LNNL
                                                                                                       M
                                                                                        I              **LNMM
                                                                                             I                   N
                                                                                              I             **L
                                                                                                  I              L
                                                                                                                 MNL
                                                                                                                 MN
                                                                                                  I              **LMN
                                                                                                       I                L
                                                                                                                      MN

                                                                                                       I              **LMN
                                                                                                            I             M
                                                                                                            I             *LN
                                                                                                                 I           *NLM
                                                                                                                 I               L
                                                                                                                               MN
                                                                                                                      I *L
                                                                                                                                 MN
                                                                                                                      I * L
                                                                                                                                     MN
                                                                                                                        I *
                                                                                                                                      M
                                                                                                                          I *LN
                                                                                                                             I *L
                                                                                                                                       MN
                                                                                                                               I *L
                                                                                                                                           MN
                                                                                                                                 I MN
                                                                                                                                     I *LN
                                                                                                                                      I *L
                                                                                                                                             M
                                                                                                                                       I L
                                                                                                                                                 MN
                                                                                                                                           I *M
                                                                                                                                           I *LN
                                                                                                                                             I *L
                                                                                                                                                  MN
                                                                                                                                                 I *L
                                                                                                                                                       MN
                                                                                                                                                  I L
                                                                                                                                                        MN
                                                                                                                                                  I*MN
                                                                                                                                                       I*LM
                                                                                                                                                       I*LN
                                                                                                                                                        I L
                                                                                                                                                              MN
                                                                                                                                                             I* L
                                                                                                                                                               MN
                                                                                                                                                              I*L
                                                                                                                                                               I*MN
                                                                                                                                                                I*L
                                                                                                                                                                    MN
                                                                                                                                                                    IL
                                                                                                                                                                     MN
                                                                                                                                                                     I
                                                                                                                                                                     *LMNI*LI
                                                                                                                                                                          *MNI*LMNILMNI*LMNI*ILMNI**MILMNI*NI**LLMMNILMNI**LLMMNNILMNILMNI
                                                                                                                                                                                                              ***LMNILMNILMNILMNILMNILMNILMNI
                                                                                                                                                                                                                                    ****** LMNILMNILMNILMNILMNILMNILMNI
                                                                                                                                                                                                                                                  ***** LMNILMNILMNILMNILMNILMNINI
                                                                                                                                                                                                                                                                              L
                                                                                                                                                                                                                                                                              ML
                                                                                                                                                                                                                                                                                   M
                                                                                                                                                                                                                                                                                   NI
                                                                                                                                                                                                                                                             ************LMN