==========================================
= @                                      =
=                                        =
=                                        =
=     L                           L      =
=                                        =
=         bbbb                           =
=         bbbb                           =
=         bbbb                           =
=   bbbbbbbbbbbbbbbb                     =
=   bbbbbbbbbbbbbbbb                     =
=   bbbbbbbbbbbbbbbb                     =
=         bbbb      bbbb                 =
=         bbbb      bbbb                 =
=         bbbb      bbbb                 =
=             bbbbbbbbbbbbbbbb           =
=             bbbbbbbbbbbbbbbb           =
=             bbbbbbbbbbbbbbbb           =
=                   bbbb                 =
=                   bbbb                 =
=                   bbbb                 =
=                                        =
=                                        =
=                                        =
=    B                              B    =
=                                        =
=                                        =
=                                        =
=                                        =
=                                        =
=G    G    G    G    G    G    G    G    =
==========================================