* Title:Waterfall
* Designer:Rene
* Type:Solution
* Follows:
* Physics:2
                                           Y..N(x)
             g                          ===Y!$NN~N
             :                          A  YVANNNN
                                    =   C  Y$?NNNN
             >==============M======:    C  Y::BBBG
                            M          /^\ R$$$$CF
                            M           K  $$$$$CF
                            M  g           $$$$$CF
                            M  :   >>>>>>>>$$$$$CF
                            M             =$$$$$CF
                            M  >====M==g=: $$$$$CF
                            M       M  :   $$$$$CF
                            M       M   >>>$$$$$CF
                            M       M      $$$$$CF
                            M       M  >>>>$$$$$CF
                            M       Mg     $$$$$CF
                            M       M:     $$$$$CF
                            M       M      $$$$$CF
                            M       M>>>>>>$$$$$CF
                            M       M      $$$$$CF
                                          g$$$$$CF
                            A       A     :$$$$$CF
                           =               $$$$$CF
                            ============MM<$$$$$CF
                                        MMg$$$$$CF
                                        MM:$$$$$CF
                                        MM $$$$$$F
                                        MM>R$$$$$F
                                        0f YFF>>TG
                                       RHHHBGGG0f 
                                      RBBBBBBBB><<