C2221232323213331311331333133313231323133313231123312331112333231   >>    C222123232321333131133133313331323132313331323112331233111233323   <<    C2221232323213331311331333133313231323133313231123312331112333233   >>      C2221232323213331311331333133313231323133313231123312331112333232   >>