Regardless of the base value of the step with the lever\(\ 1\) assumes a number equal to the given base:
The exception is degree that doesn't make any sense.
On the degree of the figure with the lever \(0\) accept the number \(1\):
Numbers \(1\), stepping up to any degree is \(1\).
Mathematics Handbook for Students / J. Mencis, A. Sika - Riga: The Star, 1990. pp. 96-98.