urvqcm trvqc srvq rrvqcm qrvqc

50uqc 40uq 30uqcm 20uqc 10uq

gauq fauqcm eauqc dauq cauqcm

rjtqcm qjtqc pjtq ojtqcm njtqc

2ssqc 1ssq 0ssqcm zssqc yssq