\score{
	\type GrandStaff <
	\type Staff=one \notes\relative c'{
		\stemup [c8 c \translator Staff=two \stemup c c]
		r2
		\translator Staff=one
		\stemdown [c8 c \translator Staff=two \stemup c c]
		r2
		\stemdown [c8 c \translator Staff=one \stemdown c c]
		r2
		\translator Staff=two
		\stemup [c8 c \translator Staff=one \stemdown c c]
		r2
	}
	\type Staff=two \notes\relative c'{
		\clef bass;
		s1
		s1
		s1
		s1
	}
	>
	\paper{
		\translator{
			\GrandStaffContext
			minVerticalAlign = 3.0*\staffheight;
			maxVerticalAlign = 3.0*\staffheight;
		}
%		linewidth=-1.;
	}
}
