C11112331312111112111133133313331333132322121111332233131331211   >>    C1111233131211111211113313331333133313232212111133223313133121   <<    C11112331312111112111133133313331333132322121111332233131331213   >>      C11112331312111112111133133313331333132322121111332233131331212   >>