...                  
#...                  
#..#                  
#..+                  
#..##             #.. 
#...####       ###...#
#......#####  #......#
#............  ......#
#............   .....#
#..z...######    ....#
#...####          ...#
#..##             #..#
#z.#              +..#
#..##            ##..#
#...####      ####...#
#...zz.########......#
#......Z.............#
#......z.∩..∩........#
######################