Blank sheet music with viola clef/C clef
A4 Portrait format: 2 pages each of
XL (6 staves),
L (8 staves),
M (11 staves) and
S (13 staves)

A4 Landscape format: 2 pages each of
XL (5 staves),
L (6 staves),
M (7 staves) and
S (8 staves)