wctrv vctr uctrvp tctrv sctr

7lsr 6lsrvp 5lsrv 4lsr 3lsrvp

ivrrvp hvrrv gvrr fvrrvp evrrv

t4qrv s4qr r4qrvp q4qrv p4qr

4dqr 3dqrvp 2dqrv 1dqr 0dqrvp