b5o23 a5o2 94o23v 84o23 74o2
meo2 leo23v keo23 jeo2 ieo23v
xnn23v wnn23 vnn2 unn23v tnn23
8wm23 7wm2 6wm23v 5wm23 4wm2
j6l2 i6l23v h6l23 g6l2 f6l23v