+----------------------------------------------+
| 00 20 40 60 00 20 40 60 | (1) triangle
+--------------------+ +--------------------+ (2) pi
| RE NL ST | 00 | RE NL ST | (3) sigma
| z i p h | 01 | Z I P H |
| 0 4 8 j | 02 | ) (1) (3) J | BS Back Space
| SP / o | 03 | SP ? O | COL COLor
| LC BS | 04 | LC BS | DEL DELete
| b d e c | 05 | B D E C | HT Horizontal Tab
| l 5 9 k | 06 | L % ( K | LC Lower Case
| - . x | 07 | _ ] X | NL New Line
| UC HT | 10 | UC HT | RE REad
| y n u a | 11 | Y N U A | SP SPace
| 2 6 f q | 12 | * $ F Q | ST STop
| + , | 13 | = [ | UC Upper Case
| COL | 14 | COL |
| r m t s | 15 | R M T S |
| 3 7 g w | 16 | " (2) G W |
| , v DEL | 17 | : V DEL |
+--------------------+ +--------------------+
| lower case upper case |
+----------------------------------------------+
Taking bits 2–5 gives you: 0 l 2 3 4 5 6 7 8 9 f g j k q w