8kwd0 9kwd0r alwd blwd0 clwd0r
xbxd0r ybxd zbxd0 0bxd0r 1bxd
m2xd n2xd0 o2xd0r p2xd q2xd0
btyd0 ctyd0r dtyd etyd0 ftyd0r
0jzd0r 1jzd 2jzd0 3jzd0r 4jzd