C111112111133131121133133313331333132313232231133132313331323321   >>    C11111211113313112113313331333133313231323223113313231333132332   <<    C111112111133131121133133313331333132313232231133132313331323323   >>      C111112111133131121133133313331333132313232231133132313331323322   >>