C13223313311212111133133313331333133313232233133313311211111211113311213321   >>    C1322331331121211113313331333133313331323223313331331121111121111331121332   <<    C13223313311212111133133313331333133313232233133313311211111211113311213323   >>      C13223313311212111133133313331333133313232233133313311211111211113311213322   >>