square which you can divide into six equal parts on either side. the third part from top on one side (here it is the right hand side) has an opening, through which the player needs to bring out the target block by moving the other blocks.
the yellow target block : it is one part wide and two parts in length. this block can be moved left or right, straight along the path of the opening on the right hand side of the puzzle area.
the long blocks : there are three (some times four) long blocks which are one part wide and three parts long. these blocks can be placed vertically 