###           ###    ###           ###    ###    ###    ###    ###
#   #      #      #      #  #   #  #      #          #  #   #  #   #
#   #      #      #      #  #   #  #      #          #  #   #  #   #
#   #      #      #      #  #   #  #      #          #  #   #  #   #
               ###    ###    ###    ###    ###           ###    ###
#   #      #  #          #      #      #  #   #      #  #   #      #
#   #      #  #          #      #      #  #   #      #  #   #      #
#   #      #  #          #      #      #  #   #      #  #   #      #
 ###           ###    ###           ###    ###           ###    ###

=begin
 aaa
f   b
f   b
f   b
 ggg
e   c
e   c
e   c
 ddd
=end

# Map a section [a..g] (see above) to any numbers where said section is ON.
map = {
    'a' => [0, 2, 3, 5, 6, 7, 8, 9],
    'b' => [0, 1, 2, 3, 4, 7, 8, 9],
    'c' => [0, 1, 3, 4, 5, 6, 7, 8, 9],
    'd' => [0, 2, 3, 5, 6, 8, 9],
    'e' => [0, 2, 3, 5, 6, 8, 9],
    'f' => [0, 4, 5, 6, 8, 9],
    'g' => [2, 3, 4, 5, 6, 8, 9]
}