t4di5 s4di r4di5z q4di5 p4di

4ddi 3ddi5z 2ddi5 1ddi 0ddi5z

fnci5z enci5 dnci cnci5z bnci5

qwbi5 pwbi owbi5z nwbi5 mwbi

15ai 05ai5z z5ai5 y5ai x5ai5z