The shading moves in the sequence as shown in the figure:
The similar upper element appears in every fourth step. The lower element is replaced by a new element in every second step.
3. Select a figure from amongst the Answer Figures which will continue the same series as established by the five Problem Figures.
The symbol gets vertically inverted and laterally inverted alternately. It also moves in ACW direction through distances equal to two half-sides (of square boundary) and three half-sides alternately.