1.0 0.0 1.0 2.0 1.0 1.0 1.0 1.0 1.0 -2.0 0.0 1.0 -1.0 0.0 1.0 -2.0 0.0 1.0 -1.0 0.0 1.0 -1.0 1.0 1.0 0.0 1.0 1.0 P Q A B v P Q s A B s2 s v