#+#       
        #####.#       
#####  ##...#.#       
.....###...[#.# ##### 
  #.........#.#...... 
  #...........Og....( 
  #.##'#####..#...... 
  #  #.#   #..# ..... 
∆    #.#   #..#  .... 
     #.#   #..#   ... 
     ...∆  #..#    .. 
     #.#   #..#     . 
     .<.   ....       
     ..#              
     ...