C13223313311212111133133313331333133313233121333133313331311332121   >>    C1322331331121211113313331333133313331323312133313331333131133212   <<    C13223313311212111133133313331333133313233121333133313331311332123   >>      C13223313311212111133133313331333133313233121333133313331311332122   >>