+00 0000 NULL
+01 0001 START OF HEADING
+02 0002 START OF TEXT
+03 0003 END OF TEXT
+04 0004 END OF TRANSMISSION
+05 0005 ENQUIRY
+06 0006 ACKNOWLEDGE
+07 0007 BELL
+08 0008 BACKSPACE
+09 0009 HORIZONTAL TABULATION
+0A 000A LINE FEED
+0B 000B VERTICAL TABULATION
+0C 000C FORM FEED
+0D 000D CARRIAGE RETURN
+0E 000E SHIFT OUT
+0F 000F SHIFT IN
+10 0010 DATA LINK ESCAPE
+11 0011 DEVICE CONTROL ONE
+12 0012 DEVICE CONTROL TWO
+13 0013 DEVICE CONTROL THREE
+14 0014 DEVICE CONTROL FOUR
+15 0015 NEGATIVE ACKNOWLEDGE
+16 0016 SYNCHRONOUS IDLE
+17 0017 END OF TRANSMISSION BLOCK
+18 0018 CANCEL
+19 0019 END OF MEDIUM
+1A 001A SUBSTITUTE
+1B 001B ESCAPE
+1C 001C FILE SEPARATOR
+1D 001D GROUP SEPARATOR
+1E 001E RECORD SEPARATOR
+1F 001F UNIT SEPARATOR