~> perl -MO=Deparse -le "@x=('00'..'99')"
# but:
~> perl -MO=Deparse -le "@x=('00'..'00')"
# and why does this not do what you would expect:
~> perl -MO=Deparse -le "@x=('00'..'090')"
# which does the same thing as
~> perl -MO=Deparse -le "@x=('00'..'009')"
~> perl -MO=Deparse -le "@x=('00'..'099')"
~> perl -MO=Deparse -le "@x=('00'..'090')"
~> perl -MO=Deparse -le "@x=('00'..'059')"
# but not if you start with something other than zero
~> perl -MO=Deparse -le "@x=('00'..'909')"