C11112331312111112111133133313331333132323133313331333133313112121133132322231   >>    C1111233131211111211113313331333133313232313331333133313331311212113313232223   <<    C11112331312111112111133133313331333132323133313331333133313112121133132322233   >>      C11112331312111112111133133313331333132323133313331333133313112121133132322232   >>