1*e1fe3e4aSElliott Hughesfeature test { 2*e1fe3e4aSElliott Hughes pos X [A - B]' -40 B' -40 A' -40 Y; 3*e1fe3e4aSElliott Hughes subtable; 4*e1fe3e4aSElliott Hughes pos X A' -111 Y; 5*e1fe3e4aSElliott Hughes subtable; 6*e1fe3e4aSElliott Hughes pos X B' -40 A' -111 [A - C]' -40 Y; 7*e1fe3e4aSElliott Hughes} test; 8