C1111233131211111211113313331333132213331311212111133132313331333211121   >>    C111123313121111121111331333133313221333131121211113313231333133321112   <<    C1111233131211111211113313331333132213331311212111133132313331333211123   >>      C1111233131211111211113313331333132213331311212111133132313331333211122   >>