Four policemen A, B, C and D are combing a circular park which is divided into 16 plots. The dacoits W, X, Y and Z who are in the park are to be arrested. The diagram given below shows the positions of the policemen and the dacoits. By-lanes are shown are northsouth and eastwest direction.
If the four policemen move two plots clockwise and W, X, Y and Z move two plots vertically up, who will be able to catch whom?