C11112331312111112111133133313331333132323133313331313331322322231   >>    C1111233131211111211113313331333133313232313331333131333132232223   <<    C11112331312111112111133133313331333132323133313331313331322322233   >>      C11112331312111112111133133313331333132323133313331313331322322232   >>