==========================================
=   @                                    =
=                                L       =
=   L                                    =
=                     bbbbbb             =
=                  bbbbbbbbbbb           =
=      bbb        bbbb     bbbb          =
=     bbbbb      bbbb       bbbb         =
=     bbbbb     bbbb         bbbb        =
=      bbb      bbbb        bbbbbb       =
=               bbbb                     =
=    bbbbbbb    bbbb                     =
=     bbbbb     bbbb                     =
=     bbbbb     bbbb                     =
=     bbbbb     bbbb                     =
=     bbbbb     bbbb        bbbbbbbb     =
=     bbbbb     bbbb          bbbb       =
=     bbbbb      bbbbb       bbbbb       =
=     bbbbb       bbbbbbbbbbbbbbbb       =
=    bbbbbbb         bbbbbbb   bbb       =
=                              bbb       =
=                                        =
=                                        =
=                                        =
=    B                            B      =
=                                        =
=                                        =
=                                        =
=                                        =
=                                        =
=G    G    G    G    G    G    G    G    =
==========================================