C13223313311212111133133313331323133313331323131133133313122132321121   >>    C1322331331121211113313331333132313331333132313113313331312213232112   <<    C13223313311212111133133313331323133313331323131133133313122132321123   >>      C13223313311212111133133313331323133313331323131133133313122132321122   >>