X/2,X/3X/ \sqrt{2}, X/ \sqrt{3}X/2,X/3
X/2,X/3X / {2}, X / {3}X/2,X/3
2X,3X2X,3X2X,3X
2X,3X\sqrt{2} X, \sqrt{3} X2X,3X
3X,2X\sqrt{3} X, \sqrt{2} X3X,2X