[ B ] { offset: 2,0; origin: Wide; }
[ C ] { offset: -2,0; origin: Wide; }
[ D ] { offset: 0,2; origin: High; }
[ E ] { offset: 0,-2; origin: High; }
[ High ] { size: 1,4; }
[ Wide ] { size: 4,1; }

[ High ] --> [ D ]
[ High ] --> [ E ]
[ Wide ] --> [ B ]
[ Wide ] --> [ C ]