C11112331312111112111133133313331333133313331333133313331333131121211332321   >>    C1111233131211111211113313331333133313331333133313331333133313112121133232   <<    C11112331312111112111133133313331333133313331333133313331333131121211332323   >>      C11112331312111112111133133313331333133313331333133313331333131121211332322   >>