C111112111133131121133133313331333132313113313331331123232233131121   >>    C11111211113313112113313331333133313231311331333133112323223313112   <<    C111112111133131121133133313331333132313113313331331123232233131123   >>      C111112111133131121133133313331333132313113313331331123232233131122   >>