HINTS

2.1

Use what you know about the names of the machines to help assign letters to the symbols you see in figs. i-vi before tackling fig. vii.

2.2

Pay close attention to the conditions of the dotted lines in fig. viii, and the fact that they appear twice…

2.3

Knowing where to start on the upper keyboard also lets you know where to go next. Knowing what the symbols mean on the lower keyboard allows you to make sense of these movements.