C11112331312111112111133133313331333132323133313331333133321121133211   >>    C1111233131211111211113313331333133313232313331333133313332112113321   <<    C11112331312111112111133133313331333132323133313331333133321121133213   >>      C11112331312111112111133133313331333132323133313331333133321121133212   >>