yyyg zyygf 0yygf2 1yyg 2yygf
npzgf opzgf2 ppzg qpzgf rpzgf2
cg0gf2 dg0g eg0gf fg0gf2 gg0g
160g 260gf 360gf2 460g 560gf
qx1gf rx1gf2 sx1g tx1gf ux1gf2