##########++######
       #................#
       #......#..#......#
##+#####................+
.......'..a.............+
##+#####......#..#......#
       #................#
       ####'#####++######
       #.......#         
       #.......#         
       #.......#         
       #...<...#         
       #.......#         
       #.......#         
       #.......#         
       #########