f90n12 e90n1 d90n c90n12 b90n1

qi0n1 pi0n oi0n12 ni0n1 mi0n

1rzn 0rzn12 zrzn1 yrzn xrzn12

c1yn12 b1yn1 a1yn 90yn12 80yn1

nayn1 mayn layn12 kayn1 jayn