Snake 20x20

Move with w/a/s/d your snake, which at v0.1.0 still isn't a snake but a bare a symbol.

Capture the Os which are apples.

Field

This is how the whole thing looks like.

####################
#                  #
#                  #
#                  #
#                  #
#                  #
#    0             #
#                  #
#                  #
#                  #
#           $      #
#                  #
#                  #
#                  #
#                  #
#                  #
#                  #
#                  #
#                  #
####################