gistfile1.rb

auspost = { #table containing all the alphanumeric codes for auspost barcodes
  "222" => "0",
  "300" => "1",
  "301" => "2",
  "302" => "3",
  "310" => "4",
  "311" => "5",
  "312" => "6",
  "320" => "7",
  "321" => "8",
  "322" => "9",
  "000" => "A",
  "001" => "B",
  "002" => "C",
  "003" => " ",
  "010" => "D",
  "011" => "E",
  "012" => "F",
  "020" => "G",
  "021" => "H",
  "022" => "I",
  "100" => "J",
  "101" => "K",
  "102" => "L",
  "110" => "M",
  "111" => "N",
  "112" => "O",
  "120" => "P",
  "121" => "Q",
  "122" => "R",
  "200" => "S",
  "201" => "T",
  "202" => "U",
  "210" => "V",
  "211" => "W",
  "212" => "X",
  "220" => "Y",
  "221" => "Z",
  "023" => "a",
  "030" => "b",
  "031" => "c",
  "032" => "d",
  "033" => "e",
  "103" => "f",
  "113" => "g",
  "123" => "h",
  "130" => "i",
  "131" => "j",
  "132" => "k",
  "133" => "l",
  "203" => "m",
  "213" => "n",
  "223" => "o",
  "230" => "p",
  "231" => "q",
  "232" => "r",
  "233" => "s",
  "303" => "t",
  "313" => "u",
  "323" => "v",
  "330" => "w",
  "331" => "x",
  "332" => "y",
  "333" => "z"
  }

flipped_numbers = {"1" => "2", "2" => "1", "3" => "3", "0"=>"0", " " => " " }
site_codes = {"0" => "F", "1" => "A", "2" => "D", "3" => "S"  }
# alexis' bar code: 
code =   "223 100 121 033 032 233 310 221 320 001 012 221 202 323 012 032 122 001 010"
# this one is from a tweet of one of the others to receive the envelope:
code_2 = "202 200 121 311 032 100 200 310 031 001 012 221 202 332 012 032 122 001 010"

puts code.split(" ").map{|c| auspost[c] }.join("") # => oJQeds4Z7BFZUvFdRBD

puts code_2.split(" ").map{|c| auspost[c] }.join("") # => USQ5dJS4cBFZUyFdRBD

# Neither result makes much sense to me. Neither is a valid Auspost code, as far as
# I can tell; they begin and end the wrong way. Someone smarter than me should take a crack.