C111112111133131121133133313331333132313113313331323213331313231   >>    C11111211113313112113313331333133313231311331333132321333131323   <<    C111112111133131121133133313331333132313113313331323213331313233   >>      C111112111133131121133133313331333132313113313331323213331313232   >>