C13223313311212111133133313331333133313232233133313331333121213321   >>    C1322331331121211113313331333133313331323223313331333133312121332   <<    C13223313311212111133133313331333133313232233133313331333121213323   >>      C13223313311212111133133313331333133313232233133313331333121213322   >>