C3123223313331322121111331333133313331333121211113313331331121213233213311   >>    C312322331333132212111133133313331333133312121111331333133112121323321331   <<    C3123223313331322121111331333133313331333121211113313331331121213233213313   >>      C3123223313331322121111331333133313331333121211113313331331121213233213312   >>