4vub 3vubsq 2vubs 1vub 0vubsq

f5tbsq e5tbs d5tb c5tbsq b5tbs

qetbs petb oetbsq netbs metb

1nsb 0nsbsq znsbs ynsb xnsbsq

cxrbsq bxrbs axrb 9wrbsq 8wrbs