* Title:Fast Floor Cleaning
* Designer:Rene
* Type:Solution
* Follows:gohadis
* Physics:2
  - - ++                                          
 1       |       g                              1 
 :.=M:.:K|       K                              = 
(             |                                   
 >>>>>=>>>>>> | >M>>>>>>>>>>>>>>>>>               
                 M                                
                 M                                
                 M        +                       
                 M       tg l                     
                 M       ==WK                     
                 M         W v                    
                 M         W>K                    
                 M      F  W  v                   
                 M  g gx   W=>K                   
                 M  >>F M  W v                    
                 M      M+ W+K<                   
            VKF  M v  p ig qg                     
                 M u  >>=.WK=<                    
          +  M   M s     oW v                     
          v        o    !=W>K                     
=========M=<>>>>>>>>>>WF: W  v                    
                          W=>K                    
         <<<<<<<<<<<<<FM< W v                     
              g g g g x   W+K<                    
              >>>>>>>F M  kg                      
                       M+WK=<                     
      g g g gggggggghik  o F      \ /             
      >>>>>>>#####OOOOOOOKOOOOOOO##T#             
             O$$$($$$$$$$?$$$$$$$$$$O             
             ########################