C1111121111331311211331333133313331333133313121111331333133313222321331211   >>    C111112111133131121133133313331333133313331312111133133313331322232133121   <<    C1111121111331311211331333133313331333133313121111331333133313222321331213   >>      C1111121111331311211331333133313331333133313121111331333133313222321331212   >>