89znf 99znf8 aa0n ba0nf ca0nf8
x00nf8 y00n z00nf 000nf8 100n
mr1n nr1nf or1nf8 pr1n qr1nf
bi2nf ci2nf8 di2n ei2nf fi2nf8
082nf8 182n 282nf 382nf8 482n