C13223313311212111133133313331333133313232233133313113313332313112121   >>    C1322331331121211113313331333133313331323223313331311331333231311212   <<    C13223313311212111133133313331333133313232233133313113313332313112123   >>      C13223313311212111133133313331333133313232233133313113313332313112122   >>