···········          
 ▒··········▒          
 ▒··········▒          
 ▒··········▒▒         
 ▒··········P▒ ▒       
▒▒··········▒▒·▒▒      
▒P···············      
·················      
················· ▒▒   
········▒▒▒▒▒▒·▒▒··    
·······%▒▒▒▒▒    ·▒  ▒ 
·········▒P·▒▒▒▒▒·▒▒·▒▒
·······················
·······················
···▒▒▒▒·····W··<···▒   
▒··   ▒▒▒··········▒   
··      ▒··········▒   
        ▒··········▒   
        ▒··········▒   
        ▒··········▒   
        ▒··········▒   
      ···············  
      ▒▒P▒▒▒▒P▒▒▒▒▒▒▒  
       ▒▒   ▒▒▒