C111112111133131121133133313331333132313113313331323213331312231211   >>    C11111211113313112113313331333133313231311331333132321333131223121   <<    C111112111133131121133133313331333132313113313331323213331312231213   >>      C111112111133131121133133313331333132313113313331323213331312231212   >>