C3123223313331322121111331333133313331333121211111211113311232312323311   >>    C312322331333132212111133133313331333133312121111121111331123231232331   <<    C3123223313331322121111331333133313331333121211111211113311232312323313   >>      C3123223313331322121111331333133313331333121211111211113311232312323312   >>