7z1s 6z1ss0 5z1ss 4z1s 3z1ss0
i90ss0 h90ss g90s f90ss0 e90ss
ti0ss si0s ri0ss0 qi0ss pi0s
4rzs 3rzss0 2rzss 1rzs 0rzss0
f1yss0 e1yss d1ys c1yss0 b1yss