                 7 7...,.....,....I77                       
                77:...:?III7II......=777                    
               77..:III777777II?:.....=77                   
              77..??II777777777I?=,.....7                   
              7,.=+IIII77777777III+:....?77                 
             77.~=+?III77777777III?=.....I7                 
             7,.~=+?II7III77777III?+,.....77                
            77..~+=+I?IIII+=,,..,,.+=.....=77               
            77...,..,.,+7,.................77               
            77.........~7...........=?.....+7               
            7..........I7..........=?+......7               
           77~.........III,.....,:++??=...~.7 7             
           77+.:.....,+?7II=~~==+?II??+..?.=777             
           77I.,,::~~++?I?I?III777II?+=.~?7~7 7             
           77..,:=+?I?~,:..=7IIIII?++=~,I.II7 7             
           77,:~:+????.:,+I777IIII?++~~++7II7 7             
           77?+.~~++??+III7IIIIIII?+++++II777 7             
           777+,=~==++,,,....:~?I????++=I?77                
           777?~,~==~.~=+=+?IIIII????++,.?7                 
             777=~~====++?I?IIII????+==..77                 
               7~?~==+?I7777IIII???=:::.I7                  
               77.+:~=++???????++=,,::..77                  
                 7.:~~~:::,,,,,....,:~..I77                 
                 7...+=,,,,,......,=~~.:7                   
                 7=...:,,,,....~~.....?77 7                 
                 7 77...,,,.,:.++.....,,,7                  
                 7777:.....:~?I7=........,7                 
                777~??....+I?=,.7.........77777             
                777=......~~+,7+..........,77               
                7 77=..,,,:,,?7?..........,.77777777777777  
               777 I~.,:::,,.~:,.........,.......::....,..,7
                777~=.,:=~,.........7=..,,.:...,:....,..,,.,
                777..,,=+=,...........,.,..,.:,:.......,~.:.
                 77..:,+?+,7..=.....~~:~...,.:::.......77.77
                77...~:?I?~~?......,.~......:::......II:..~?
             7777?..:IIII?~.7..7.,.........~=.......+777777:
         7 77.?::.,.II???=.7..7........I.~~.......?:777,I777
   77 7777~.:,.,..=~III??,+..7..........+.......I77~=..7.777
   777I=...,...+..,+I?I??...7,........:........777I?I,.7.77,