C11112331312111112111133133313331333133313331333133313331333132332223231   >>    C1111233131211111211113313331333133313331333133313331333133313233222323   <<    C11112331312111112111133133313331333133313331333133313331333132332223233   >>      C11112331312111112111133133313331333133313331333133313331333132332223232   >>