00110000  (ord  48, "0")
 00110001  (ord  49, "1")
 00110010  (ord  50, "2")
 00110011  (ord  51, "3")
 00110100  (ord  52, "4")
 00110101  (ord  53, "5")
 00110110  (ord  54, "6")
 00110111  (ord  55, "7")
 00111000  (ord  56, "8")
 00111001  (ord  57, "9")
 01100001  (ord  97, "a")
 01100010  (ord  98, "b")
 01100011  (ord  99, "c")
 01100100  (ord 100, "d")
 01100101  (ord 101, "e")
 01100110  (ord 102, "f")