15 x 15, 20 x 10, 20 x 20, 25 x 15, 25 x 25, 30 x 15, 30 x 20, 30 x 30, 35 x 35, 40 x 20, 40 x 30, 40 x 40, 50 x 25, 50 x 30, 50 x 50, 60 x 30, 60 x 40, 60 x 60, 80 x 40, 80 x 80, 100 x 100