C13223313311212111133133313331333132313331333133313132333132233223331   >>    C1322331331121211113313331333133313231333133313331313233313223322333   <<    C13223313311212111133133313331333132313331333133313132333132233223333   >>      C13223313311212111133133313331333132313331333133313132333132233223332   >>