●     罗       ●
             ●     老       ●
             ●     号       ●
             ●     思       ●
             ●     密       ●
             ●     达       ●
             ●     〓       ●
             ●     罗       ●
             ●     老       ●
             ●     号       ●
             ●     思       ●
             ●     密       ●
             ●     达       ●
             ●     ★       ●
             ●     罗       ●
             ●     老       ●
             ●     号       ●
             ●     思       ●
             ●     密       ●
             ●     达       ●
             ●     ★       ●


             ●     罗       ●
             ●     老       ●
             ●     号       ●
             ●     思       ●
             ●     密       ●
             ●     达       ●
             ●     〓       ●
             ●     罗       ●
             ●     老       ●
             ●     号       ●
             ●     思       ●
             ●     密       ●
             ●     达       ●
             ●     ★       ●
             ●     罗       ●
             ●     老       ●
             ●     号       ●
             ●     思       ●
             ●     密       ●
             ●     达       ●
             ●     ★       ●


             ●     罗       ●
             ●     老       ●
             ●     号       ●
             ●     思       ●
             ●     密       ●
             ●     达       ●
             ●     〓       ●
             ●     罗       ●
             ●     老       ●
             ●     号       ●
             ●     思       ●
             ●     密       ●
             ●     达       ●
             ●     ★       ●
             ●     罗       ●
             ●     老       ●
             ●     号       ●
             ●     思       ●
             ●     密       ●
             ●     达       ●
             ●     ★       ●


             ●     罗       ●
             ●     老       ●
             ●     号       ●
             ●     思       ●
             ●     密       ●
             ●     达       ●
             ●     〓       ●
             ●     罗       ●
             ●     老       ●
             ●     号       ●
             ●     思       ●
             ●     密       ●
             ●     达       ●
             ●     ★       ●
             ●     罗       ●
             ●     老       ●
             ●     号       ●
             ●     思       ●
             ●     密       ●
             ●     达       ●
             ●     〓       ●


            ●      ▲        ●
           ●       ▲         ●
          ●        ▲          ●
         ●         ▲           ●
        ●          ▲            ●
       ●           ▲             ●
      ●            ▲              ●
     ●             ▲                ●
    ●              ▲                  ●
●                ▲                    ●
●                  ▲                      ●


                    ●
                ● 头 ●
              ●    ★    ●
            ●      ★      ●
           ●       ★        ●
          ●        ★          ●
         ●         ★           ●
        ●●●      〓        ●●●
             ●     罗       ●
             ●     老       ●
             ●     号       ●
             ●     思       ●
             ●     密       ●
             ●     达       ●
             ●     ★       ●
             ●     罗       ●
             ●     老       ●
             ●     号       ●
             ●     思       ●
             ●     密       ●
             ●     达       ●
             ●     ★       ●


             ●     罗       ●
             ●     老       ●
             ●     号       ●
             ●     思       ●
             ●     密       ●
             ●     达       ●
             ●     ★       ●
             ●     罗       ●
             ●     老       ●
             ●     号       ●
             ●     思       ●
             ●     密       ●
             ●     达       ●
             ●     ★       ●
             ●     罗       ●
             ●     老       ●
             ●     号       ●
             ●     思       ●
             ●     密       ●
             ●     达       ●
             ●     ★       ●


             ●     罗       ●
             ●     老       ●
             ●     号       ●
             ●     思       ●
             ●     密       ●
             ●     达       ●
             ●     ★       ●
             ●     罗       ●
             ●     老       ●
             ●     号       ●
             ●     思       ●
             ●     密       ●
             ●     达       ●
             ●     ★       ●
             ●     罗       ●
             ●     老       ●
             ●     号       ●
             ●     思       ●
             ●     密       ●
             ●     达       ●
             ●     ★       ●


             ●     罗       ●
             ●     老       ●
             ●     号       ●
             ●     思       ●
             ●     密       ●
             ●     达       ●
             ●     ★       ●
             ●     罗       ●
             ●     老       ●
             ●     号       ●
             ●     思       ●
             ●     密       ●
             ●     达       ●
             ●     ★       ●
             ●     罗       ●
             ●     老       ●
             ●     号       ●
             ●     思       ●
             ●     密       ●
             ●     达       ●
             ●     ★       ●


             ●     罗       ●
             ●     老       ●
             ●     号       ●
             ●     思       ●
             ●     密       ●
             ●     达       ●
             ●     ★       ●
             ●     罗       ●
             ●     老       ●
             ●     号       ●
             ●     思       ●
             ●     密       ●
             ●     达       ●
             ●     ★       ●
             ●     罗       ●
             ●     老       ●
             ●     号       ●
             ●     思       ●
             ●     密       ●
             ●     达       ●
             ●     ★       ●


             ●     罗       ●
             ●     老       ●
             ●     号       ●
             ●     思       ●
             ●     密       ●
             ●     达       ●
             ●     ★       ●
             ●     罗       ●
             ●     老       ●
             ●     号       ●
             ●     思       ●
             ●     密       ●
             ●     达       ●
             ●     ★       ●
             ●     罗       ●
             ●     老       ●
             ●     号       ●
             ●     思       ●
             ●     密       ●
             ●     达       ●
             ●     ★       ●
             ●     〓       ●
            ●      射        ●
           ●       ★         ●
          ●        射          ●
         ●         ★           ●
        ●          根            ●
       ●           ★             ●
      ●            根              ●
     ●             ★                ●
   ●               源                  ●

                     /^\/^\
                   _|__|   O|
          \/      /~      \_/ \
           \____|__________/   \
                  \_______       \
                          `\      \                  \
                            |      |                   \
                           /       /                     \
                          /      /                        \\
                        /       /                          \ \
                       /      /                             \   \
                     /      /              _----_             \    \
                    /      /            _-~       ~-_          |    |


                   (       (         _-~     _--_     ~-_      _/    |
                    \       ~-____-~     _-~     ~-_     ~-_-~     /
                      ~-_            _-~           ~-_        _-~   
                         ~--______-~                 ~-___-~                  /^\/^\
                   _|__|   O|
          \/      /~      \_/ \
           \____|__________/   \
                  \_______       \
                          `\      \                  \
                            |      |                   \
                           /       /                     \
                          /      /                        \\
                        /       /                          \ \


                       /      /                             \   \
                     /      /              _----_             \    \
                    /      /            _-~       ~-_          |    |
                   (       (         _-~     _--_     ~-_      _/    |
                    \       ~-____-~     _-~     ~-_     ~-_-~     /
                      ~-_            _-~           ~-_        _-~   
                         ~--______-~                 ~-___-~                  /^\/^\
                   _|__|   O|
          \/      /~      \_/ \
           \____|__________/   \
                  \_______       \
                          `\      \                  \


                            |      |                   \
                           /       /                     \
                          /      /                        \\
                        /       /                          \ \
                       /      /                             \   \
                     /      /              _----_             \    \
                    /      /            _-~       ~-_          |    |
                   (       (         _-~     _--_     ~-_      _/    |
                    \       ~-____-~     _-~     ~-_     ~-_-~     /
                      ~-_            _-~           ~-_        _-~