\starttext
\type{draw vloggrid(0, 11, 10, 15cm, 5cm);}

\startMPcode
		drawoptions(withpen pencircle scaled .25pt withcolor .5white);

		draw vloggrid(0, 11, 10, 15cm, 5cm);
\stopMPcode

\type{draw vloggrid(0, 11, 1, 15cm, 5cm);}

\startMPcode
		drawoptions(withpen pencircle scaled .25pt withcolor .5white);

		draw vloggrid(0, 11, 1, 15cm, 5cm);
\stopMPcode

\type{draw vloggrid(0, 11, 5, 15cm, 5cm);}

\startMPcode
		drawoptions(withpen pencircle scaled .25pt withcolor .5white);

		draw vloggrid(0, 11, 5, 15cm, 5cm);
\stopMPcode

\type{draw vloggrid(0, 11, 5, 15cm, 5cm);}

\startMPcode
		drawoptions(withpen pencircle scaled .25pt withcolor .5white);

		draw vloggrid(0, 10, .5, 15cm, 5cm);
\stopMPcode

\CONTEXT\ \contextmark\ \contextversion
\stoptext