C3123223313331322121111331333133313331333121211113312111112233222311   >>    C312322331333132212111133133313331333133312121111331211111223322231   <<    C3123223313331322121111331333133313331333121211113312111112233222313   >>      C3123223313331322121111331333133313331333121211113312111112233222312   >>