The strings of each twelve notes are appointed as follows in “DRIELIJN” :
Subcontra twaalftal.
Key: 2C.
Contra twaalftal.
Key: 1C.
One-line twaalftal.
Key:c .
Two-line twaalftal.
Key: c .
Three-line twaalftal.
Key: c .
Four-line twaalftal.
Key: c .
Five-line twaalftal.
Key: c .