Why is this solution (level 9) wrong:
gjb gvzrf sbhe rdhny rvtug
cyhf zvahf
frira bar rdhny svir qvi svir
rdhny rdhny rdhny
avar qvi svir rdhny bar cbvag rvtug gvzrf bar
gjb cyhf
zvahf sbhe
svir
Lbh pbeerpgyl haqrefgnaq gung lbh fubhyq sbez gjb ybbcf. Ohg ybbx ng gur vavsvavgl flzoby ng gur gbc evtug pbeare, vg vzcyvrf gung gur gjb ybbcf pna bayl gbhpu ng bar cbvag.
thx