C111112111133131121133133313331333133313121111331322121111113313223311   >>    C11111211113313112113313331333133313331312111133132212111111331322331   <<    C111112111133131121133133313331333133313121111331322121111113313223313   >>      C111112111133131121133133313331333133313121111331322121111113313223312   >>