qcttc pctt octtcb ncttc mctt

1lst 0lstcb zlstc ylst xlstcb

cvrtcb bvrtc avrt 9urtcb 8urtc

n4qtc m4qt l4qtcb k4qtc j4qt

ydqt xdqtcb wdqtc vdqt udqtcb