use col;
box A;
box: Aligned to left of A [left=A@0%];
box: A Bit right [left=A@10%];
box: Right by a quarter of A [left=A@25%];
box: Right by a half of A [left=A@50%];
box: Aligned to right of A [left=A@100%];
box: Beyond the right of A [left=A@150%];

use draw_before=A;
(A@left,A)..(,A+300);
(A@right,A)..(,A+300);

