ASCII code

     | 00 NUL| 01 SOH| 02 STX| 03 ETX| 04 EOT| 05 ENQ| 06 ACK| 07 BEL|
     | 08 BS | 09 HT | 0A NL | 0B VT | 0C NP | 0D CR | 0E SO | 0F SI |
     | 10 DLE| 11 DC1| 12 DC2| 13 DC3| 14 DC4| 15 NAK| 16 SYN| 17 ETB|
     | 18 CAN| 19 EM | 1A SUB| 1B ESC| 1C FS | 1D GS | 1E RS | 1F US |
     | 20 SP | 21  ! | 22  " | 23  # | 24  $ | 25  % | 26  & | 27  ' |
     | 28  ( | 29  ) | 2A  * | 2B  + | 2C  , | 2D  - | 2E  . | 2F  / |
     | 30  0 | 31  1 | 32  2 | 33  3 | 34  4 | 35  5 | 36  6 | 37  7 |
     | 38  8 | 39  9 | 3A  : | 3B  ; | 3C  < | 3D  = | 3E  > | 3F  ? |
     | 40  @ | 41  A | 42  B | 43  C | 44  D | 45  E | 46  F | 47  G |
     | 48  H | 49  I | 4A  J | 4B  K | 4C  L | 4D  M | 4E  N | 4F  O |
     | 50  P | 51  Q | 52  R | 53  S | 54  T | 55  U | 56  V | 57  W |
     | 58  X | 59  Y | 5A  Z | 5B  [ | 5C  \ | 5D  ] | 5E  ^ | 5F  _ |
     | 60  ` | 61  a | 62  b | 63  c | 64  d | 65  e | 66  f | 67  g |
     | 68  h | 69  i | 6A  j | 6B  k | 6C  l | 6D  m | 6E  n | 6F  o |
     | 70  p | 71  q | 72  r | 73  s | 74  t | 75  u | 76  v | 77  w |
     | 78  x | 79  y | 7A  z | 7B  { | 7C  | | 7D  } | 7E  ~ | 7F DEL|