C2221232323213331311331333133313231323133313231123312331133132321   >>    C222123232321333131133133313331323132313331323112331233113313232   <<    C2221232323213331311331333133313231323133313231123312331133132323   >>      C2221232323213331311331333133313231323133313231123312331133132322   >>