C11112331312111112111133133313331333131121131211111133133313223313332111211   >>    C1111233131211111211113313331333133313112113121111113313331322331333211121   <<    C11112331312111112111133133313331333131121131211111133133313223313332111213   >>      C11112331312111112111133133313331333131121131211111133133313223313332111212   >>