C13223313311212111133133313331333133313232233133313311231213321   >>    C1322331331121211113313331333133313331323223313331331123121332   <<    C13223313311212111133133313331333133313232233133313311231213323   >>      C13223313311212111133133313331333133313232233133313311231213322   >>