C111112111133131121133133313331333132313113313331331122133313221333121   >>    C11111211113313112113313331333133313231311331333133112213331322133312   <<    C111112111133131121133133313331333132313113313331331122133313221333123   >>      C111112111133131121133133313331333132313113313331331122133313221333122   >>