C3123121111331133132313331333133313331333133313331333131133133313223311   >>    C312312111133113313231333133313331333133313331333133313113313331322331   <<    C3123121111331133132313331333133313331333133313331333131133133313223313   >>      C3123121111331133132313331333133313331333133313331333131133133313223312   >>