16/2 x 1/2 x 16/2, 20/2 x 1/2 x 20/2, 20/2 x 3/4 x 20/2, 26/3 x 1/2 x 26/3, 26/3 x 3/4 x 26/3, 32/3 x 3/4 x 32/3, 32/3 x 1 x 32/3