9z5rtw 8z5rt 7z5r 6z5rtw 5z5rt

k94rt j94r i94rtw h94rt g94r

vi4r ui4rtw ti4rt si4r ri4rtw

6r3rtw 5r3rt 4r3r 3r3rtw 2r3rt

h12rt g12r f12rtw e12rt d12r