C13223313311212111133133313331333133313123133313113313113313233111   >>    C1322331331121211113313331333133313331312313331311331311331323311   <<    C13223313311212111133133313331333133313123133313113313113313233113   >>      C13223313311212111133133313331333133313123133313113313113313233112   >>