* Title:Efficient Solve
* Designer:Anonymous
* Type:Solution
* Follows:
* Physics:2
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                ZZZZZZ                            
                Z  f)Z                            
                Z:=+=Z                            
                Z    Z                            
                Z>=MWZ                            
                Z=   Z                            
                Z=TK<Z                            
                ZZ$$ZZ                            
               ZZZ..ZZ                            
               Z(?$$Z                             
               ZZZZZZ