C111112111133131121133133313331333132313113313331333112231323222321323321   >>    C11111211113313112113313331333133313231311331333133311223132322232132332   <<    C111112111133131121133133313331333132313113313331333112231323222321323323   >>      C111112111133131121133133313331333132313113313331333112231323222321323322   >>