.         
        ....   ..   
        #...   .#   
    ..  #...  ..#   
   ..o###...  ..###.
  .........###......
 ..#........_...... 
 #.......#.....#    
 ........#_.<._#    
 #.......#.....#..  
   #...o...._...... 
...........###......
 .....###.......###.
 ....   #...O...#   
 ...    #.......#   
  .     .........   
        .......     
        ......      
        ...